Hippopotamuses are some of the most unfriendly creatures in the animal kingdom. “Apart from mosquitoes, they are the most dangerous animal in Africa, the ones that kill the most people,” said Nicolas ...

Hippos are very vocal animals, exchanging signals like the “wheeze honk”. But not much is known about what these sounds mean. Two researchers found themselves thinking about this in Mozambique – where ...

Add Yahoo as a preferred source to see more of our stories on Google. Hippos will kill other animals, like crocodiles, that enter their territory, especially when protecting babies. Hippos and whales ...

In 1872 Leland Stanford, the founder of California’s Stanford University, hired an eccentric inventor named Eadweard Muybridge to help resolve a supposed (but undocumented) bet: did a trotting horse’s ...