19:27
Can Meteorites On Earth Point To Ancient Life On Mars?
An astrobiologist explains why a meteor from Mars changed planetary science. Plus, why samples from the Perseverance rover will be key to understanding the Red Planet.
12:17
Where Are The Black Physicists?
A physicist and higher education researcher on what’s driving the absence of Black physicists—and what universities can do to change.
12:05
Paul Farmer, Global Health Leader, Dies At 62
A champion of equitable healthcare, and the co-founder of humanitarian non-profit Partners In Health, Farmer leaves behind a poignant legacy.
17:24
Blind Patients With Eye Implant Left In The Dark As Its Startup Struggles
Second Sight Medical Devices abandoned support for blind patients who received its bionic eye implant. What happens to those patients next?
7:13
Climate Change Ruins The World Championship Sled Dog Derby
At the World Championship Sled Dog Derby, warm weather played an unwanted star role.
9:57
Finding Tranquility In The Sounds Of Nature
Human activity is erasing the natural soundscape, says Bernie Krause, a former musician turned ecologist.
12:09
Pittsburgh’s Bridge Collapse Spotlights America’s Infrastructure Woes
Larger vehicles, increased traffic, and climate change are putting pressure on America’s aging infrastructure. How did things get so dire?
7:50
Why Did Ancient Ferocious Cat-Like Creatures Go Extinct?
A combination of factors led to a period known as the “Cat Gap,” a stretch of 6.5 million years where there were no cats or cat-like animals living in North America.
9:36
Why Are Mice The Most Frequently Used Lab Animal?
Despite mice’s genetic similarity to humans, treatments that work in mice often don’t work in humans.
7:50
The Science Behind ‘Power Of The Dog’
A leading contender for an Oscar for Best Picture has a somewhat hidden science theme.