If you ask a dog owner if their pup has feelings, the answer will be a resounding yes (and likely a look of disdain). Similarly, we all know farm animals like cows and pigs have feelings, despite the ...

What's scaly, striped and breathes underwater like a scuba diver? Water anoles, a semi-aquatic lizard found in the tropical forests of southern Costa Rica. These green-brown water anoles can dive ...

Almost every animal in the rainforest enjoys snacking on water anoles, but slippery skin and an ability to carry an air bubble underwater help them survive. By Sara Novak Water anoles, semiaquatic ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In a Costa Rican ...