Photosynthetic Heart
Photosynthetic bacteria may keep heart tissue oxygenated after a heart attack.
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Fanged Furball
Paleontologists have discovered a tiny mammal from the age of the dinosaurs that sported tusks.
Insects in Winter
A listener asks: Where do all the insects go in winter?
Sled Dog Endurance
Champions of endurance, sled dogs can run for over a thousand miles without fatigue.
Plant Drug Factories
Stressing out plant cells can coax them into revealing medically-useful chemistry.
Trillions of Insects
No other creatures match insects when it comes to sheer numbers of migrating animals.
Reindeer Clocks
Most mammals have internal clocks that regulate their daily cycles, but not reindeer.
Deep Diamonds
The world’s biggest diamonds are helping scientists uncover the secrets of earth’s deep mantle.
Coconut Rhinoceros Beetles
In a race against time, scientists attempt to stop an insect invader by using its own sounds.
24-Hour Colds
Why you sometimes feel a cold coming on, only to have the symptoms disappear the very next day.
Similar Snowflakes
A listener asks: Why do snowflakes appear so similar to each other?