Sizing Up Dogs II
A listener asks whether it's true that large dogs don't live as long as small dogs.
A listener asks whether it's true that large dogs don't live as long as small dogs.
Champions of endurance, sled dogs can run for over a thousand miles without fatigue.
Stressing out plant cells can coax them into revealing medically-useful chemistry.
No other creatures match insects when it comes to sheer numbers of migrating animals.
Most mammals have internal clocks that regulate their daily cycles, but not reindeer.
Reindeer can detect ultraviolet light, which may help them survive dark Arctic winters.
The world’s biggest diamonds are helping scientists uncover the secrets of earth’s deep mantle.
In a race against time, scientists attempt to stop an insect invader by using its own sounds.