American and Russian scientists utilized animals - mainly monkeys, chimps and dogs - in order to test each country's ability to launch a living organism into space and bring it back alive and unharmed.

I observe a chimpanzee peel a banana and eat it.

Chimps can be extremely aggressive.

Tom likes chimpanzees.

What do chimpanzees eat?

Enos became the first chimp to orbit the earth on November 29, 1961, aboard a Mercury Atlas rocket. Although the mission plan originally called for three orbits, due to a malfunctioning thruster and other technical difficulties, flight controllers were forced to terminate Enos' flight after two orbits. Enos landed in the recovery area and was picked up 75 minutes after splashdown. He was found to be in good overall condition.

The angry chimp went up the sidewalk and ripped everybody's face off.

Suddenly, the chimp bolted off.

The chimpanzee is an intelligent creature, capable of solving simple problems.

Chimpanzees can throw stones when they feel threatened.