Extinct monkey teeth help zero in on age of human fossils
The teeth of a monkey that went extinct about 500,000 years ago is offering clues to the ages of fossils of human ancestors in South Africa.
Extinct monkey teeth help zero in on age of human fossils
The teeth of a monkey that went extinct about 500,000 years ago is offering clues to the ages of fossils of human ancestors in South Africa.
Just like us, monkeys may feel pressure to perform
Just like people, some monkeys can choke under the pressure to perform, a new study shows.