Walking, breathing, thinking: All of these activities burn energy. But in the winter when food supplies are scarce, some animals conserve their energy -- by hibernating.
Flying and being invisible are NOT the only superpowers. What if you could freeze yourself and then reanimate? What if you could survive space without any help from NASA like tardigrades can? Time to introduce a few new superpowers into your arsenal. See more »
Alex the gray parrot had a better vocabulary than most animals. He also had a grasp of syntax, an understanding of concepts like bigger and smaller and the ability to manipulate numbers. But was Alex simply parroting what he learned, or could he really communicate? See more »