http://www.pbs.org/nova/ NOVA turns its lens on the timeliest developments and most intriguing personalities in science and technology in a new magazine series, NOVA scienceNOW, and we want to hear what you think about it. Copyright 2008 NOVA/WGBH Educational Foundation en-us http://blogs.law.harvard.edu/tech/rss nova@wgbh.org nova_tech@wgbh.org Wed, 30 Jul 2008 20:08:47 EDT Wed, 30 Jul 2008 20:08:47 EDT http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/images04/logo-nova-rss.gif http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/rss/ http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0306/01.htmlNASA's latest robot has already found frozen water and is looking for more signs that the Red Planet could support life.NOVA <nova@wgbh.org>Mon, 28 Jul 2008 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0306/01.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0306/02.htmlEven so-called "mild" head injuries turn out to be anything but.NOVA <nova@wgbh.org>Mon, 28 Jul 2008 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0306/02.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0306/03.htmlA pair of mammoth skeletons is found locked together by their tusks. What happened?NOVA <nova@wgbh.org>Mon, 28 Jul 2008 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0306/03.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0306/04.htmlOnce scorned for his ideas about how cancer grows, the late Judah Folkman is now hailed as a visionary.NOVA <nova@wgbh.org>Mon, 28 Jul 2008 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0306/04.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080522.htmlIn this excerpt from a 2002 commencement address at Oberlin College, the late cancer researcher Judah Folkman describes how he learned to think outside the box when he was in high school. Listen in. NOVA <nova@wgbh.org>Mon, 28 Jul 2008 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080522.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0305/01.htmlA century after falling out of favor among doctors, medicinal leeches are back in hospitals, sucking away on patients' wounds.NOVA <nova@wgbh.org>Mon, 21 Jul 2008 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0305/01.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0305/02.htmlAstronomers have their radio telescopes tuned to receive signals from alien worlds. But is anybody out there? NOVA <nova@wgbh.org>Mon, 21 Jul 2008 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0305/02.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0305/03.htmlThree separate teams overcome a biomedical hurdle -- creating stem cells without the use of human embryos.NOVA <nova@wgbh.org>Mon, 21 Jul 2008 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0305/03.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0305/04.htmlMeet a marine biologist and explorer who has engineered new ways to spy on deep-sea creatures.NOVA <nova@wgbh.org>Mon, 21 Jul 2008 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0305/04.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0304/01.htmlClues to the origins of human language are turning up in the brains of birds.NOVA <nova@wgbh.org>Fri, 11 Jul 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0304/01.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0304/02.htmlBehind the dazzling display of the aurora borealis are space storms that could turn the lights off here on Earth.NOVA <nova@wgbh.org>Fri, 11 Jul 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0304/02.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0304/03.htmlA former tennis prodigy aims to create advanced prosthetic limbs controlled by human thought.NOVA <nova@wgbh.org>Fri, 11 Jul 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0304/03.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0304/03.htmlCan we engineer bridges that tell us what's wrong with them before it's too late?NOVA <nova@wgbh.org>Fri, 11 Jul 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0304/03.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080710.htmlIn this audio feature, engineer Michael Todd explains how new sensing technologies may help detect structural problems within bridges before they become dangerous.NOVA <nova@wgbh.org>Thu, 10 Jul 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080710.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0303/01.htmlTwo teams of spacewalkers take on the risky mission of reviving the ailing Space Telescope.NOVA <nova@wgbh.org>Thu, 03 Jul 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0303/01.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0303/02.htmlOur most distant primate ancestors, which took the stage shortly after the dinosaurs left it, were tree-dwellers the size of mice.NOVA <nova@wgbh.org>Thu, 03 Jul 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0303/02.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0303/03.htmlHe jumped the fence from Mexico to work as a farmhand and ended up a leading brain surgeon.NOVA <nova@wgbh.org>Thu, 03 Jul 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0303/03.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0303/04.htmlA relatively benign bug becomes a highly lethal pathogen, known to U.S. soldiers as Iraqibacter.NOVA <nova@wgbh.org>Thu, 03 Jul 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0303/04.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080627.htmlIn this video dispatch, learn why George Church of Harvard Medical School hopes to recruit 100,000 people and sequence all of their DNA.NOVA <nova@wgbh.org>Fri, 27 Jun 2008 19:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080627.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080624.htmlJoin host Neil deGrasse Tyson for a fantastic voyage through Earth's molten core -- without getting burned.NOVA <nova@wgbh.org>Tue, 24 Jun 2008 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080624.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0302/01.htmlGenetic testing to assess risk factors for a handful of serious illnesses is now commercially available. But is it a good idea?NOVA <nova@wgbh.org>Mon, 23 Jun 2008 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0302/01.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0302/02.htmlSee how clever computer algorithms can distinguish a master fake from a masterpiece.NOVA <nova@wgbh.org>Mon, 23 Jun 2008 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0302/02.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0302/03.htmlAn eighth-grader's science fair project prompts her scientist father to develop a new way to pull excess carbon dioxide out of the atmosphere.NOVA <nova@wgbh.org>Mon, 23 Jun 2008 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0302/03.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0302/04.htmlBy night she's a rocker. By day, she's a Harvard geneticist tracking the evolution of the human genome.NOVA <nova@wgbh.org>Mon, 23 Jun 2008 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0302/04.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080606.htmlJohn Grunsfeld, an astronomer and astronaut, says that fixing the Hubble Space Telescope will be a delicate operation. Here, he explains how astronauts will have to literally let their fingers do the walking when working on the satellite -- and why the gloves of their space suits will play a major role in the mission's success.NOVA <nova@wgbh.org>Fri, 06 Jun 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080606.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0301/01.htmlTurns out most of the universe is held together by a mysterious, invisible substance.NOVA <nova@wgbh.org>Wed, 04 Jun 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0301/01.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0301/02.htmlMice placed in enriched environments can recover lost memories, giving hope to those who study Alzheimer's.NOVA <nova@wgbh.org>Wed, 04 Jun 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0301/02.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0301/03.htmlThis self-proclaimed "accidental scientist" is a digital detective inventing new ways to tell if photos have been faked.NOVA <nova@wgbh.org>Wed, 04 Jun 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0301/03.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0301/04.htmlAsk enough people to estimate something, and their combined guesses will get you surprisingly close to the right answer.NOVA <nova@wgbh.org>Wed, 04 Jun 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/0301/04.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080522.htmlIn this excerpt from a 2002 commencement address at Oberlin College, the late cancer researcher Judah Folkman describes how he learned to think outside the box when he was in high school.NOVA <nova@wgbh.org>Thu, 22 May 2008 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080522.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/eowilson/program.htmlThis one-hour program is divided into five chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 21 May 2008 08:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/eowilson/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/beautiful/program.htmlThis one-hour program is divided into six chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 14 May 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/beautiful/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/eowilson/biophilia.htmlDo humans have "biophilia," a built-in love for living things?NOVA <nova@wgbh.org>Fri, 25 Apr 2008 14:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/eowilson/biophilia.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/eowilson/naturalist.htmlIn this excerpt from his autobiography, 15-year-old Ed "Snake" Wilson meets his match in a swamp.NOVA <nova@wgbh.org>Fri, 25 Apr 2008 14:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/eowilson/naturalist.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/eowilson/ideas.htmlSample high points in Wilson's remarkable half-century career through an overview of 12 of his books.NOVA <nova@wgbh.org>Fri, 25 Apr 2008 14:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/eowilson/ideas.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/eowilson/game.htmlMatch eight ants -- the trap jaw and honey pot among them -- to their unique behaviors.NOVA <nova@wgbh.org>Fri, 25 Apr 2008 14:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/eowilson/game.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080424.htmlIn diseases like Alzheimer's, are forgotten memories gone for good? MIT's Eric Lander and Li-Huei Tsai discuss new experiments that are exploring whether these "lost" memories can be regained.NOVA <nova@wgbh.org>Thu, 24 Apr 2008 15:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080424.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/car/program.htmlThis one-hour program is divided into six chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 23 Apr 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/car/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/car/open/More than 200 clips of footage, including expert interviews and scenics, are available for you to make your own video.NOVA <nova@wgbh.org>Wed, 23 Apr 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/car/open/ http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080410.htmlCan a computer tell the difference between an original van Gogh painting and a fake? NOVA scienceNOW producer Dean Irwin describes how 21st-century technology can help museum curators catch even the most skilled forgers.NOVA <nova@wgbh.org>Thu, 10 Apr 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080410.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/mayacode/program.htmlThis one-hour program is divided into five chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 09 Apr 2008 08:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/mayacode/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/car/greene.htmlEnergy expert David Greene explains why we need smart government policies to spur change in our transportation system.NOVA <nova@wgbh.org>Tue, 25 Mar 2008 16:30:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/car/greene.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/car/past.htmlFor a glimpse of how future cars may be powered, start by looking at the past.NOVA <nova@wgbh.org>Tue, 25 Mar 2008 16:30:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/car/past.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/car/efficiency.htmlIn this audio slide show, Amory Lovins offers his vision of an ultra-efficient 'Hypercar.'NOVA <nova@wgbh.org>Tue, 25 Mar 2008 16:30:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/car/efficiency.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/mayacode/timeline.htmlTrace key discoveries in the effort to understand the Maya script.NOVA <nova@wgbh.org>Fri, 21 Mar 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/mayacode/timeline.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/mayacode/masterpiece.htmlExplore a 2,000-year-old mural, one of the most exciting recent discoveries of early Maya art.NOVA <nova@wgbh.org>Fri, 21 Mar 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/mayacode/masterpiece.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/mayacode/translate.html'Read' Maya hieroglyphs carved on an eighth-century stone monument, and hear them spoken aloud.NOVA <nova@wgbh.org>Fri, 21 Mar 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/mayacode/translate.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/mayacode/map.htmlFrom Chichen Itza in the north to Copan in the south, the Maya empire was vast and varied.NOVA <nova@wgbh.org>Fri, 21 Mar 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/mayacode/map.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080305.htmlSeth Shostak, senior astronomer at SETI, thinks it's just a matter of time before we find evidence of other intelligent life in the universe.NOVA <nova@wgbh.org>Wed, 05 Mar 2008 17:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080305.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/beautiful/producer.htmlMary Olive Smith describes the mix of emotions she felt in making this film.NOVA <nova@wgbh.org>Tue, 04 Mar 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/beautiful/producer.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/beautiful/hamlin.htmlCatherine Hamlin explains why she has dedicated her life to treating fistulas.NOVA <nova@wgbh.org>Tue, 04 Mar 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/beautiful/hamlin.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/beautiful/women.htmlIn this quiz, see how women in rich and poor countries face very different realities when it comes to childbearing and maternal health.NOVA <nova@wgbh.org>Tue, 04 Mar 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/beautiful/women.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/beautiful/birth.htmlReview the three stages of having a baby as well as some of the risks women face.NOVA <nova@wgbh.org>Tue, 04 Mar 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/beautiful/birth.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/microraptor/program.htmlThis one-hour program is divided into six chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 27 Feb 2008 08:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/microraptor/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080221.htmlGlaciologist Lonnie Thompson says that glaciers around the world are disappearing -- fast.NOVA <nova@wgbh.org>Thu, 21 Feb 2008 14:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080221.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/program.htmlThis one-hour program is divided into six chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 20 Feb 2008 08:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/astrospies/program.htmlThis one-hour program is divided into five chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 13 Feb 2008 08:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/astrospies/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080207.htmlNeurosurgeon Alfredo Quinones-Hinojosa's career didn't start in a hospital -- it began in a farm field. Listen in. And watch for Dr. Q's profile on NOVA scienceNOW this summer.NOVA <nova@wgbh.org>Thu, 07 Feb 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/080207.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/microraptor/producer.htmlMark Davis has been tracking the controversial case of the flying dinosaur for almost 20 years.NOVA <nova@wgbh.org>Fri, 01 Feb 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/microraptor/producer.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/microraptor/skeletons.htmlCompare the anatomy of the oldest known bird and its dinosaur cousins.NOVA <nova@wgbh.org>Fri, 01 Feb 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/microraptor/skeletons.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/microraptor/fossils.htmlSee the perfectly preserved fossils of plants and animals that lived alongside feathered dinosaurs. NOVA <nova@wgbh.org>Fri, 01 Feb 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/microraptor/fossils.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/microraptor/liftdrag.htmlHow did Microraptor use its second pair of wings to glide? See for yourself in this virtual experiment.NOVA <nova@wgbh.org>Fri, 01 Feb 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/microraptor/liftdrag.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/parthenon/program.htmlThis one-hour program is divided into five chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 30 Jan 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/parthenon/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/parthenon/hurwit.htmlTake a trip back to the fifth century B.C. with art historian Jeffrey Hurwit.NOVA <nova@wgbh.org>Wed, 16 Jan 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/parthenon/hurwit.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/parthenon/restore.htmlSee how architects, historians, and skilled masons are painstakingly reassembling the Parthenon.NOVA <nova@wgbh.org>Wed, 16 Jan 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/parthenon/restore.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/parthenon/quarry.htmlDetailed line drawings reveal the tools and techniques of ancient Greek craftsmen.NOVA <nova@wgbh.org>Wed, 16 Jan 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/parthenon/quarry.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/parthenon/timeline.htmlTrace the building's various incarnations as a temple, church, mosque, and even an army barracks.NOVA <nova@wgbh.org>Wed, 16 Jan 2008 16:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/parthenon/timeline.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/program.htmlThis two-hour program is divided into ten chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 16 Jan 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/trade.htmlIn this game, dispatch 10 ships loaded with natural ice to Florida, Brazil, or India. Can you make a profit?NOVA <nova@wgbh.org>Wed, 16 Jan 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/trade.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/refrigerator.htmlYou likely have one, but do you know how it works?NOVA <nova@wgbh.org>Wed, 16 Jan 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/refrigerator.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/degrees.htmlCreate your own temperature scale, then see how it compares to those of Fahrenheit and Celsius.NOVA <nova@wgbh.org>Wed, 16 Jan 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/degrees.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/matter.htmlAdjust temperature and pressure, and watch as gases become liquids, liquids harden into solids, and more.NOVA <nova@wgbh.org>Wed, 16 Jan 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/matter.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/howlow.htmlIn our virtual lab, use the "cascade" process to achieve dramatically lower temperatures.NOVA <nova@wgbh.org>Wed, 16 Jan 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/howlow.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/research.htmlFrom Galileo's thermoscope to a recent experiment that reached less than a billionth of a degree above absolute zeroNOVA <nova@wgbh.org>Wed, 16 Jan 2008 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/research.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/human.htmlRecent brain imaging research is offering new insights.NOVA <nova@wgbh.org>Mon, 07 Jan 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/human.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/saxe.htmlWhy is our ability to teach so critical and so complicated? MIT's Rebecca Saxe explains.NOVA <nova@wgbh.org>Mon, 07 Jan 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/saxe.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/kanzi.htmlIn this audio slide show, researcher Sue Savage-Rumbaugh describes one extraordinarily linguistic ape.NOVA <nova@wgbh.org>Mon, 07 Jan 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/kanzi.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/primate.htmlSee (and hear) where you stand among the great apes in this audiovisual interactive.NOVA <nova@wgbh.org>Mon, 07 Jan 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/primate.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/extras.htmlClever bonobo, dim-witted chimp? You decide.NOVA <nova@wgbh.org>Mon, 07 Jan 2008 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/apegenius/extras.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/hot.htmlIs there an opposite to absolute zero?NOVA <nova@wgbh.org>Wed, 19 Dec 2007 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/hot.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/conquest.htmlIn the U.S., refrigeration played a key role in the rise of cities—and the final end of native cultures in the West.NOVA <nova@wgbh.org>Wed, 19 Dec 2007 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/conquest.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/scale.htmlTravel from absolute zero to what may be the highest temperature.NOVA <nova@wgbh.org>Wed, 19 Dec 2007 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/scale.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/atoms.htmlPhysicist Luis Orozco on enigmatic substances called BECs that form just above absolute zeroNOVA <nova@wgbh.org>Wed, 19 Dec 2007 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/zero/atoms.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/warplanes/program.htmlThis one-hour program is divided into six chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 19 Dec 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/warplanes/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/astrospies/profiles.htmlMeet eight astronauts from the Manned Orbiting Laboratory program.NOVA <nova@wgbh.org>Tue, 04 Dec 2007 18:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/astrospies/profiles.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/astrospies/racetoday.htmlHistorian Asif Siddiqi discusses the space programs of China, India, and other new players, and their impact.NOVA <nova@wgbh.org>Tue, 04 Dec 2007 18:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/astrospies/racetoday.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/astrospies/timeline.htmlExamine turning points in the heated competition between the U.S. and USSR to dominate space.NOVA <nova@wgbh.org>Tue, 04 Dec 2007 18:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/astrospies/timeline.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/astrospies/photos.htmlA surveillance-image specialist examines photos of Iraq, North Korea, and other political hotspots.NOVA <nova@wgbh.org>Tue, 04 Dec 2007 18:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/astrospies/photos.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/071121.htmlMark Siddall, a leech expert at the American Museum of Natural History, wants to change how you think about nature's most notorious blood-suckers. Listen in.NOVA <nova@wgbh.org>Wed, 21 Nov 2007 12:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/071121.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/program.htmlThis two-hour program is divided into 12 chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Thu, 15 Nov 2007 17:30:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/program.htmlThis hour-long program is divided into six chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 07 Nov 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/warplanes/gforces.htmlWhat's behind gravity forces, and how much of them can we take?Tyson, Peter <nova@wgbh.org>Tue, 06 Nov 2007 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/warplanes/gforces.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/warplanes/mias.htmlThe U.S. spends over $100 million a year to find, identify, and inter all American personnel lost since the start of WWII.Tyson, Peter <nova@wgbh.org>Tue, 06 Nov 2007 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/warplanes/mias.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/warplanes/anatomy.htmlCompare the two fighters—one Russian, one American—whose pilots dueled to the death over "MiG Alley." Rima Chaddha <nova@wgbh.org>Tue, 06 Nov 2007 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/warplanes/anatomy.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/warplanes/pilot.htmlA pilot's gear is a sophisticated support system that can save his life in deadly situations.Lexi Krock <nova@wgbh.org>Tue, 06 Nov 2007 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/warplanes/pilot.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/timeline.htmlExamine turning points in the Cold War competition to dominate spaceNOVA <nova@wgbh.org>Wed, 31 Oct 2007 15:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/timeline.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/vonbraun.htmlHow should Wernher von Braun be remembered—as a Nazi engineer or a space visionary?NOVA <nova@wgbh.org>Wed, 31 Oct 2007 15:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/vonbraun.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/nation.htmlThe launch of Sputnik came as a shock to Americans long accustomed to being number one.NOVA <nova@wgbh.org>Wed, 31 Oct 2007 15:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/nation.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/v2.htmlLearn more about how the innovative German V-2 rocket worked by assembling it yourself.NOVA <nova@wgbh.org>Wed, 31 Oct 2007 15:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/v2.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/satellite.htmlImages from near-Earth orbit can tell us a lot about our world.NOVA <nova@wgbh.org>Wed, 31 Oct 2007 15:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sputnik/satellite.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/program.htmlThis hour-long program is divided into five chapters. Choose any chapter and select QuickTime or Windows Media Player to begin viewing the video.NOVA <nova@wgbh.org>Wed, 31 Oct 2007 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/program.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/ants/mofu.htmlA Western visitor describes the Mofu's ancient alliance with this roaming red ant.Christian Seignobos <nova@wgbh.org>Wed, 24 Oct 2007 17:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/ants/mofu.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/ants/queen.htmlNature's queens -- in ants, bees, naked mole rats, etc. -- have it made. Or do they?Peter Tyson <nova@wgbh.org>Wed, 24 Oct 2007 17:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/ants/queen.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/ants/bugs.htmlFried dragonflies. Greasy tarantulas. Fat, juicy witchetty grubs. Find out what they taste like here.Peter Menzel, Faith D'Aluisio <nova@wgbh.org>Wed, 24 Oct 2007 17:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/ants/bugs.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/ants/game.htmlMatch eight ants -- the trap jaw and honey pot among them -- to their unique behaviors.Melissa Salpietra <nova@wgbh.org>Wed, 24 Oct 2007 17:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/ants/game.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/apsell.htmlSenior EP Paula Apsell explains why and how NOVA took on the contentious issue behind Kitzmiller v. Dover.NOVA <nova@wgbh.org>Tue, 23 Oct 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/apsell.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/defense-id.htmlPhillip Johnson, the father of ID, on the Wedge Strategy, why evolution "comes up short," and moreNOVA <nova@wgbh.org>Tue, 23 Oct 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/defense-id.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/defense-ev.htmlBiologist Ken Miller on why ID is a "science stopper," why evolution matters, and moreNOVA <nova@wgbh.org>Tue, 23 Oct 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/defense-ev.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/boardvsteachers.htmlRead the Dover School Board's controversial disclaimer on evolution and the memo science teachers wrote in response.NOVA <nova@wgbh.org>Tue, 23 Oct 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/boardvsteachers.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/judge.htmlListen in as Judge John Jones reads key excerpts from his landmark ruling.NOVA <nova@wgbh.org>Tue, 23 Oct 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/judge.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/defining.htmlHear seven experts briefly describe the essence of science and how it differs from religion.NOVA <nova@wgbh.org>Tue, 23 Oct 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/defining.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/predictions.htmlOver 150 years later, science continues to confirm most of Darwin's conjectures.NOVA <nova@wgbh.org>Tue, 23 Oct 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/predictions.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/transitional.htmlExamine five different species transitions that have filled critical gaps in the fossil record.NOVA <nova@wgbh.org>Tue, 23 Oct 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/id/transitional.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/team.htmlMeet the men and women who took on NOVA's challenge, and hear from their coaches.NOVA <nova@wgbh.org>Fri, 21 Sep 2007 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/team.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/diaries.htmlFour members of the team share their stories through video, e-mails, and interviews.NOVA <nova@wgbh.org>Fri, 21 Sep 2007 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/diaries.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/calendar.htmlExamine week-by-week how Team NOVA prepared for the race.NOVA <nova@wgbh.org>Fri, 21 Sep 2007 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/calendar.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/expert.htmlExercise and nutrition scientist Mim Nelson of Tufts University answers e-mailed questions.NOVA <nova@wgbh.org>Fri, 21 Sep 2007 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/expert.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/fit.htmlFind out how exercise transformed NOVA's runners and could enhance your health.NOVA <nova@wgbh.org>Fri, 21 Sep 2007 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/fit.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/tips.htmlEssential advice for rookie runnersNOVA <nova@wgbh.org>Fri, 21 Sep 2007 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/tips.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/mind.htmlUta Pippig shares her wisdom on the psychology of running.NOVA <nova@wgbh.org>Fri, 21 Sep 2007 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/marathon/mind.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/genes/issa.htmlDr. Jean-Pierre Issa examines the connection between epigenetics, aging, and cancer.NOVA <nova@wgbh.org>Fri, 31 Aug 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/genes/issa.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/genes/mice.htmlIn this audio slide show, hear how the epigenome can make identical-twin mice appear so different.NOVA <nova@wgbh.org>Fri, 31 Aug 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/genes/mice.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/genes/expert.htmlGeneticist Randy Jirtle answers questions about how our lifestyles, via epigenetics, can impact the health of our children, and more.NOVA <nova@wgbh.org>Fri, 31 Aug 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/genes/expert.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/genes/fate.htmlNot all switches are epigenetic. As this slide show reveals, some are genetic—and amazingly powerful.NOVA <nova@wgbh.org>Fri, 31 Aug 2007 09:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/genes/fate.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/070822.htmlDark matter is a cosmic enigma. We can't see it or touch it—so what is it? We asked MIT physicist Max Tegmark about the nature of this strange substance and why it remains so mysterious. NOVA <nova@wgbh.org>Wed, 22 Aug 2007 15:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/dispatches/070822.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/3411/02-ask.htmlRandy Jirtle answered viewer questions about epigenetics on August 2, 2007.NOVA <nova@wgbh.org>Thu, 02 Aug 2007 14:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/3411/02-ask.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/samurai/vinci.htmlWhy defects make metal stronger, how hardness differs from toughness, and other marvels of metalNOVA <nova@wgbh.org>Wed, 01 Aug 2007 14:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/samurai/vinic.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/samurai/way.htmlCapture the essence of the samurai code of honor, from choosing life over death to stifling a yawn.NOVA <nova@wgbh.org>Wed, 01 Aug 2007 14:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/samurai/way.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/samurai/sword.htmlStep by painstaking step, see what it takes to create a samurai sword.NOVA <nova@wgbh.org>Wed, 01 Aug 2007 14:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/samurai/sword.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/samurai/history.htmlIn this time line, follow the millennium-long story of these legendary warriors.NOVA <nova@wgbh.org>Wed, 01 Aug 2007 14:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/samurai/history.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/3411/01-ask.htmlOn July 31, 2007, Mary Schweitzer answered selected viewer questions about her discovery of what may be T. rex blood vessels and red blood cells, the implications of that and similar discoveries, and other matters dinosaurian and paleontological.NOVA <nova@wgbh.org>Tue, 31 Jul 2007 11:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/3411/01-ask.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/3411/03-ask.htmlOn July 30, 2007, Jim Sanborn answered selected viewer questions about his sculpture Kryptos, including ones about the unsolved fourth part.NOVA <nova@wgbh.org>Mon, 30 Jul 2007 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/3411/03-ask.html http://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/3411/04-ask.htmlOn July 30, 2007, Arlie Petters answered selected viewer questions about his life and work.NOVA <nova@wgbh.org>Mon, 30 Jul 2007 13:00:00 ESThttp://www.pbs.org/wgbh/nova/rss/redir/wgbh/nova/sciencenow/3411/04-ask.html