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(Unrated 2007 DVD, WGBH BOSTON Studios)

Francis Crick biography, birth date, birth place and …

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(Unrated 2008 DVD, WGBH BOSTON Studios)

For 45 centuries, the Great Sphinx has cast its enigmatic gaze over Egypt's Giza plateau. The biggest and oldest statue in a land of colossal ancient monuments, its scale is staggering. How was it built, and who or what does it represent? NOVA's expert team of archaeologists carries out experiments that reveal the techniques and incredible labor that was invested in the carving of this gigantic sculpture.

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Scientists confront on an astounding possibility: that a single ancient cataclysmic volcanic eruption 75,000 years ago blasted ash and rock across an entire continent, spewing so much sulfuric acid into the atmosphere that Earth was plunged into a global conflict.

(Unrated 2011 DVD, PBS Home Video)

Every so often a giant emerges on the stage of science, someone who transcends the narrow boundaries of a particular line of research and alters our perspective on the world. E.O. Wilson is such a man. NOVA's Lord of the Ants profiles this soft-spoken Southerner renowned for his scientific study of ants that led to his 1975 book Sociobiology: The New Synthesis, where he put forth the notion that evolutionary principles could explain social behavior throughout the animal kingdom, including in humans. Though sociobiology was a controversial new discipline at the time, today experimental science shows that genes doplay a role in aspects of human behavior.E.O. Wilson is an icon of our times: a lord of the ants who sought to explain nature on earth and who now fights for its survival through his worldwide conservation efforts. Actor and environmentalist Harrison Ford narrates this engaging portrait of a ceaselessly active scientist and eloquent writer, who has accumulated two Pulitzer Prizes among his many other honors.

It was the greatest flood of the past two million years, and it posed a giant scientific riddle. A maverick geologist became convinced that thousand-foot-deepfloodwaters had scoured out vast areas of the American northwest near the end of the last ice age. Mainstream scientists scorned his theory while he searchedpatiently for answers to what could have triggered such an inconceivably violent event. Finally, an ingenious solution silenced the skeptics: traces ofan enormous ice dam half a mile high, which had blocked a valley in present-day Montana and created an enormous lake behind it. With the help of stunninglyrealistic animation, NOVA takes viewers back to the Ice Age to reveal what happened when the dam broke, unleashing a titanic flood that swept herds ofwoolly mammoth and everything else into oblivion.

(Unrated 2008 DVD Set, WGBH BOSTON Studios)

It is a tantalizing idea: a shriveled mummy that has lain neglected on a dusty museum shelf at Niagara Falls could be the remnants of a long-lost Egyptian pharaoh. While a trail of clues hints at how the looted mummy made its way to North America a century and a half ago, archaeologists go to Emory University to employ the latest imaging and DNA techniques in hopes of confirming the body's hidden identity. Their results provide compelling evidence that the mummy may indeed be that of Ramesses I, founder of ancient Egypt's most illustrious dynasty. This amazing story of historical intrigue and forensic science concludes as the mummy takes its rightful place alongside royal relatives in an Egyptian museum, a fitting solution to a 3,000 year-old puzzle.

When Mount St. Helens erupted in 1980, every living thing in the blast zone was buried. However, life began to bloom again, and biologist Charlie Crisafulli has been documenting the return of plant and animal life. Also, the mountain, like the wildlife, is coming back to life. NOVA presents a pioneering look at the interplay between biology and geology that may help scientists predict future volcanic eruptions.

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  • (Unrated DVD Set, WGBH BOSTON Studios)

    Search Content | Science News

  • The Duga-3 array outside Chernobyl

    Human Genome Project - Junk DNA Is Still A Mystery

  • (Unrated 2005 DVD, WGBH BOSTON Studios)

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(Unrated 2005 DVD, WGBH BOSTON Studios)

Eight men charged. Five confessions. But only one DNA match. Why would four innocent men confess to a brutal crime they didn't commit? In The Confessions, FRONTLINE producer Ofra Bikel (Innocence Lost, An Ordinary Crime) investigates the conviction of four men -- current and former sailors in the U.S. Navy -- for the rape and murder of a Norfolk, Va., woman in 1997. In the first television interviews with the "Norfolk Four" since their release, Bikel learns of some of the high-pressure police interrogation techniques -- the threat of the death penalty, sleep deprivation, intimidation -- that led each of the men to confess, despite the lack of any evidence linking them to the crime.

(Unrated 2005 DVD, WGBH BOSTON Studios)

In Afghanistan today an ancient tradition has re-emerged, it's called Bacha Bazi, translated literally as, boy play. Boys, some as young as eleven, are dressed in woman's clothes, taught to sing and dance for the entertainment of male audiences, and then sold to the highest bidder or traded among the men for sex. The Afghan authorities responsible for stopping these crimes are sometimes themselves complicit in the practice.

(Unrated 2008 DVD Set, WGBH / PBS Studios)

Did Texas execute an innocent man? Several controversial death penalty cases are currently under examination in Texas and in other states, but it's the 2004 execution of Cameron Todd Willingham -- convicted for the arson deaths of his three young children -- that's now at the center of the national debate. In Death by Fire, FRONTLINE gains unique access to those closest to the Willingham case -- meticulously examining the evidence used to convict Willingham, offering an in-depth portrait of those most impacted by the case, and exploring the explosive implications of the execution of a possibly innocent man.

(Unrated 2005 DVD, WGBH BOSTON Studios)

Over a single generation, the Web and digital media have remade nearly every aspect of modern culture, transforming the way we work, learn, and connect in ways that we re only beginning to understand. FRONTLINE producer Rachel Dretzin (Growing up Online) teams up with one of the leading thinkers of the digital age, Douglas Rushkoff (The Persuaders, Merchants of Cool), to continue to explore life on the virtual frontier. The film is the product of a unique collaboration with visitors to the Digital Nation Web site, who for the past year have been able to react to the work in progress and post their own stories online. Dretzin and her team report from the front lines of digital culture from love affairs blossoming in virtual worlds, to the thoroughly wired classrooms of the future, to military bases where the Air Force is fighting a new form of digital warfare. Along the way, they begin to map the critical ways that technology is transforming us, and what we may be learning about ourselves in the process.

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