22:35
Can Conservation Efforts Save the Birds?
A look at the effects of conservation efforts and climate change on bird populations in North America.
6:26
After 40 Years, a Blue Whale Population Bounces Back
Blue whale populations are only a fraction of what they once were globally, but a California population has nearly made a comeback.
17:11
The Science of ‘Sameness’: Developing Generic Medications
As of 2010, generic drugs comprise almost 80 percent of the American pharmaceutical market, compared to 10 percent in 1960.
11:42
Supermassive Dinosaur Would Have ‘Feared Nothing’
Scientists estimate the dinosaur Dreadnoughtus schrani would have weighed as much as a Boeing 737.
33:47
To Master Test Material, Give Your Brain a Break
Salvador Dali and Thomas Edison took very brief naps when they were stuck on artistic and scientific problems.
11:44
The Wilderness Act Turns 50
Fifty years ago this week, legislation set aside over nine million acres of official wilderness.
7:25
From Exotic Garden to Eco-Haven
A former millionaire’s estate is becoming an environmental haven and training ground.
9:41
Hello, Stranger, Wanna Share a Cab?
Researchers found that potentially 95 percent of cab rides in New York City could have been shared.
16:57
Randall Munroe Asks, ‘What If?’
In his new book “What If?”, xkcd comic artist Randall Munroe answers his readers’ hypothetical questions with math and science.
17:20
Unraveling the Mysteries of Black Holes
High energy x-rays provide a rare glimpse into the behavior of black holes.