But these brilliant photos of Easter eggs from years gone by are bound to stir some memories for fans of Cadbury's in ...

Primates are a group of mammals that includes humans and our close relatives, such as apes, monkeys and lemurs. Monkeys, such as capuchins and macaques; prosimians, like lemurs and tarsiers; lesser ...

In most parts of the natural world, eyesight is key. Animals use it to find food, escape danger, and move around. But in some ...