Science & Nature
Nature
While legend paints the wolverine as a solitary, blood-thirsty killer, there is another, more complex image of the wolverine that is just beginning to emerge. Continue
PBS NewsHour
NASA scientists call it the seven minutes of terror: the amount of time it will take the Curiosity rover to plunge through the Mars atmosphere and deploy a massive parachute and sophisticated landing system called a skycrane that will -- hopefully -- land it safely on the surface of the Red Planet. Continue
PBS NewsHour
To keep Asian carp, an invasive species, from taking over in the Great Lakes, scientists and fishermen are employing an simple strategy: Catch them and eat them. But they have found that there are some pragmatic issues -- as well as marketing issues -- to overcome. Ash-har Quraishi of WTTW Chicago reports. Continue
NOVA scienceNOW
Can science stop crime? What are animals thinking? How smart can we get? Probe these and other provocative questions. Continue
PBS NewsHour
Known for being the first American woman in space, Sally Ride dedicated her life to inspiring young people to engage in science, using space travel as a means to an educational end, rather than her own personal thrill ride. Judy Woodruff talks with science correspondent Miles O'Brien about Ride and her legacy. Continue
NOVA
Watch an uncut interview with the late astronaut, conducted at NASA in 1984. Continue
PBS NewsHour
On the 17th anniversary of the loss of the Challenger space shuttle, Sally Ride had dinner at Miles O'Brien's home. She was one of the guests of honor celebrating the opening of a new Challenger Learning Center. Miles reflects on that dinner and Ride's contribution to science and space flight. Continue
Next Avenue
A retired Arizona couple volunteers at national parks, sharing their knowledge while basking in America's natural beauty. Continue
PBS NewsHour
Reporter Sam Eaton from Marketplace looks at Vietnam, where conservation groups and fish farmers are working to meet health and environmental standards thatbig retailers increasingly demand. Continue
Nature
A storm sets in. When the ocean freezes over, polar bears head out on the pack ice to hunt. Watch video. Continue
Nature
Brown-polar hybrid bears may be a result of climate change, herd formations help caribou avoid mosquitos, data system connects animals from different zoos for captive breeding, and fluoride keeps sharks cavity-free. Continue
PBS NewsHour
More than 600 government leaders, entrepreneurs and technologists came together at this year's Next Generation of Government Summit from July 26-27, to hear speakers, attend presentations and participate in workshops about how to improve government. Continue
PBS NewsHour
In other news Thursday, the Department of Agriculture announced it expects food prices will rise this year and next because of extreme drought conditions affecting large portions of the U.S. Also, the wife of an ousted official in China's ruling Communist party was charged with murdering a British businessman. Continue
NOVA
Watch an uncut interview with the late astronaut, conducted in 1984, and hear her views on being the first American w... Continue
PBS NewsHour
As the world looks to feed a growing population, fish are seen as one solution. But fish farms have a long history of disease, pollution and interfering with the surrounding ecosystem. Marketplace reporter Sam Eaton traveled to Vietnam to look at how large and small scale fish farms are competing to meet the growing demand. Continue
PBS NewsHour
In 1987, Sally Ride retired from NASA to take a job a Stanford University, leaving America's space program "without a real hero" and "struggling to stay in orbit." Continue
PBS NewsHour
Miles O'Brien remembers Sally Ride, the first American woman in space, who died on Monday after a 17-month battle with pancreatic cancer. She was 61. Continue
Nature
Black skin, blubber, and a coat of clear tubes. Facts and stats to better know a polar bear. Continue
PBS NewsHour
Within the next three years, it is expected that nearly 65 million homes in the U.S. will have wireless smart meters. But some California environmentalists, liberals, Tea Party supporters and other activists are not enthused by this. At the heart of the debate is whether smart meters can cause illness. Spencer Michels reports. Continue
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