featured segment
Where Soil Grows Above The Trees
Canopy soil builds up over decades in the nooks and crannies of old trees. How does it get there?
11:58
Scientists Develop Human Embryo Model Without Sperm Or Eggs
Their findings may allow scientists to study embryonic development more closely and better understand things like miscarriage and genetic diseases.
24:42
Sweating Is Our Biological Superpower
Sweat gives us so much more than a smell, thanks to the cool chemistry of this vital bodily fluid.
10:15
Vocal Fry Serves Up Treats For Toothed Whales
A new study shows the creaky voice effect some people love to hate is important for echolocation in the deep ocean.
12:09
Where Soil Grows Above The Trees
Canopy soil builds up over decades in the nooks and crannies of old trees. How does it get there?
16:27
‘I Will Not Be Vole Girl’—A Biologist Warms To Rodents
From land-mine sniffing rats to to the mice in your backyard, biologist Danielle Lee is asking big questions about how ecology shapes behavior.
17:14
This Soundscape Artist Has Been Listening To The Planet For Decades
Jim Metzner, a pioneer of science radio, looks back on his lifetime of recordings, now heading for the Library of Congress.