Add Yahoo as a preferred source to see more of our stories on Google. For those who are unaware, hippos are basically puppies. They have pretty much the same energy, and they love playing with balls.

For those who are unaware, hippos are basically puppies. They have pretty much the same energy, and they love playing with balls. Just take the very playful hippo in this video, for instance. This ...

Add Yahoo as a preferred source to see more of our stories on Google. Baby animal cuteness is without a doubt one of the most powerful forces in the known universe. It is a force so powerful that it ...

WASHINGTON - At work, Pam O'Donnell types at her computer, talks on the phone and, every so often, bounces a bit on a big blue ball. O'Donnell has an office chair, but this doesn't mean she uses it.

Baby animal cuteness is without a doubt one of the most powerful forces in the known universe. It is a force so powerful that it can convince a full-grown elephant to give up their favorite toy of the ...