Big eyes, tiny noses and round cheeks; scientists explain why animals like Moo Deng the pygmy hippo have us hooked.

"Hi, I’m Parry Gripp! I create catchy, feel-good songs set to animal videos, bringing silly, fun, and totally random moments ...

"Meet Maymo, the hilarious lemon beagle taking YouTube by storm. Watch Maymo and his adorable pack in laugh-out-loud skits, epic pranks, and heartwarming adventures that dog lovers can't get enough of ...