With every passing year we discover more evidence to support Darwin's revolutionary hypothesis that the cognitive and emotional lives of animals diff….

The fact that all our ape cousins - chimpanzees, gorillas and orangutans - can acquire signs - is powerful evidence that our hominid ancestors' first….

The chimps love holidays - in fact Tatu actually anticipates them and asks about them..

If you try to impose a rigid discipline while teaching a child or a chimp you are working against the boundless curiosity and need for relaxed play t….

With regard to the alternatives, we already have them. The cellular and genetic lines of research in humans are the most promising. AIDS is caused by….

Growing up on a farm taught me a reverence for all forms of life. We were a large and poor farm family, so that meant that we had to kill and eat our….