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James Levine is a medical doctor and obesity researcher at the Mayo Clinic and Arizona State University. He is also the inventor of the treadmill desk. While he's standing up (whether at his treadmill desk or not), James is also a slam poetry c
Crystal Dilworth recently completed her Ph.D. in Molecular Neuroscience at Cal Tech. Her research has focused on the molecular basis for nicotine dependence. An accomplished life-long dancer, Crystal now choreographs Cal Tech's musical producti
Geoff Tabin is a Professor of Ophthalmology and Visual Sciences and Director of International Ophthalmology at the John A. Moran Eye Center and University of Utah. He is also the Co-Founder of the Himalayan Cataract Project. While not curing bl
Bill Nye is a Cornell-trained engineer who worked at Boeing before winning a gazillion Emmys and turning millions of kid onto science as "Bill Nye, the Science Guy." The man also totally knows how to rock a bow tie.Exclusive funding for "The
Kate Sweeny is an Assistant Professor of Psychology at the University of California Riverside. She studies threat management in everyday life – how we wait for potentially bad news. By night and on the weekends, Kate pursues her passion for bel
For Jet Propulsion Laboratory (JPL) engineers, Curiosity's landing represented the culmination of many years of hard work and personal aspiration. In this video, they trace their love of space back to their childhood and express their gratitude
Scientists have never set foot on an alien world, but that hasn’t kept them from looking for life beyond our solar system. In this short video, astrophysicist Lisa Kaltenegger explains how we determine whether a far-off planet could harbor life
Eco-engineers in the Netherlands are taking hints from nature to rein in flooding. One idea is to plant trees in front of dikes to lower the height of approaching waves. They compare this type of approach to judo—they are using the forces of na
Disaster risk management expert Klaus Jacob speaks candidly about the effects of climate change and sea level rise on New York City. He says we need to think ahead to what New York will look like 400 years from now in order to plan effectively.
Witnesses to JFK's assassination heard three shots, and police found three cartridges in Oswald's perch. Nevertheless, only two bullets were ever found. Could this missing bullet have hit a tree or the pavement? And if so, why was it never loca
Since 1972, a company called Alcor has been preserving legally dead people at very low temperatures. The hope is that in the future, scientists will be able to revive these "patients," giving them a chance for eternal life. It may sound like th
Gross Science: With just a few simple tools, anyone can turn a cockroach into a tiny controllable 'bugborg.' Why would you want to? It turns out that these nasty pests could turn into life savers in the future.National corporate funding for N
Gross Science: These flesh-eating plants usually prey on unsuspecting insects. But one species of ant calls this plant home. Watch the drama unfold... through watercolor animation!National corporate funding for NOVA is provided by The Boeing
Clouds affect us every day, no matter the weather. But what exactly are clouds and how do they form? And how can they help us predict severe storms, the availability of water, and our future climate?NOVA is produced by WGBH in Boston. Nationa
We might prefer beautiful weather reports, but we really pay attention when severe storms are predicted. So how do Earth's most powerful storms develop, and how is this related to cloud formation?NOVA is produced by WGBH in Boston. National c
What exactly is a cloud? Why do clouds form over some areas and not others? Take a look inside: learn about factors that cause clouds to develop in the first place and find out why there are so many different types.NOVA is produced by WGBH in
A perfectly sunny day one moment and driving rain the next. What atmospheric conditions are involved in the development of storm clouds and the dramatic weather effects they can unleash?NOVA is produced by WGBH in Boston. National corporate f
Clouds have a powerful influence on the temperature of our planet. Just how they will respond as global temperatures increase is one of the most pressing scientific questions of our time.NOVA is produced by WGBH in Boston. National corporate
Mice placed in enriched environments can recover lost memories, giving hope to those who study Alzheimer's.Funding for NOVA scienceNOW is provided by the National Science Foundation, the Alfred P. Sloan Foundation, and PBS viewers.NOVA is p
A computer named Watson is the latest contestant in machine versus human battles of the "mind." Funding for NOVA scienceNOW is provided by the National Science Foundation, the Alfred P. Sloan Foundation, and PBS viewers.National corporate f
Researchers who've studied Einstein's brain have long known that parts of his parietal lobe—a part of the brain involved in spatial imagination—were unusually large. But now, a collection of 14 photographs missing since 1955 have revealed that
Researchers have begun to zero in on genes that might be responsible for autism.NOVA is produced by WGBH in Boston. National corporate funding for NOVA is provided by The Boeing Company. Major funding for NOVA is provided by David H. Koch, th
If you were a spy, how could you ensure that an encrypted message got safely to your allies? Send it using entangled particles! Here, watch how a technique called quantum cryptography could save a state secret from falling into enemy hands.Ma
Water buffalo tusks, fish bladders, and animal sinew all went into the making of the ancient Egyptian composite bow. While the materials may seem primitive, this powerful weapon was not so different from the bows of today.NOVA is produced by
A computer scientist finds novel ways to stop spammers and harness the brainpower of millions of people.NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by the National Science Foundation, the Alfred P. Sloan Founda
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