Let's Learn is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

Imagine an animal able to survive any harsh condition known to man. This animal actually exists right in your own backyard! Tardigrades, also known as Water Bears, are water-dwelling, microscopic ...

These animals can survive in harsh environments where water is scarce. These animals have adapted in amazing ways to survive in environments where water is scarce. They get all the water they need ...

A squid swims in the dark waters of the Mediterranean. Billions of aquatic animals, from krill to squid, travel to surface waters each night, a migration that scientists are only beginning to fully ...