featured segment
Dark Matter Eludes Particle Physicists
Most of the “stuff” in the universe is invisible “dark matter,” if our theories are correct. So why is it so hard to find?
Heard on the Air
7:20
Breast Cancer Advances, Slower Hurricanes, and Peacock Problems
New research finds that not all women with breast cancer need chemotherapy. Plus, more stories in this week’s News Round-up.
4:50
Marine Habitats Are Protected—But Are They Effective?
Ten percent of the world’s oceans are on track to be protected by 2020. But do they need to be?
11:39
Curiosity Digs Up Clues To The Early Martian Environment
What do organic molecules on Mars tell us about how the planet works and the possibility of life on the planet?
23:56
Want To Find A New Species? Start In A Museum
These brand new species were hiding in plain sight—in the vast, but incompletely catalogued collections of natural history museums.
10:12
Riding The Wave Of Kelp Farming
The kelp revolution has reached the U.S. and it could change everything (including how cows fart).
34:56
Dark Matter Eludes Particle Physicists
Most of the “stuff” in the universe is invisible “dark matter,” if our theories are correct. So why is it so hard to find?