Deep Look
A Flea's Fantastic Jump Takes More Than Muscle
These little "itch hikers" make an amazing leap 100 times faster than the blink of an eye.
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Episode 5
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Deep Look
How Do Sharks and Rays Use Electricity to Find Hidden Prey?
When it comes to spotting prey, sharks and rays have a sense beyond sight and smell.
Deep Look
Why Does Your Cat's Tongue Feel Like Sandpaper?
It's not vanity. For cats, staying clean is a matter of life and death.
Deep Look
Honeypot Ants Turn Their Biggest Sisters Into Jugs of Nectar
Honeypot ants stuff members of their own colony until they look like tiny water balloons.