Cat owners and those interested in feline habits have long wondered why these animals are often active in the evening and at ...

Today, they study what they call the ecology of fear, which combines the psychology of trauma with the behavioral ecology of fear in wild animals ... hippocampus, a sign that neurogenesis ...

Captive wild animal encounters are ... suffering in other humans by universal signs: People sob, wince, cry out, put voice to their hurt. Animals have no universal language for pain.