Scientists linked a mystery fossil foot to a tree-climbing human ancestor that likely lived alongside Lucy's species 3.4 ...

Amazon Access is a one-stop-shop for customers to explore programs, discounts, and features that make shopping on Amazon even easier and more affordable. Here, customers will find information on ...

Most adults have 32 teeth, including their wisdom teeth. Wisdom teeth are often removed, leaving most adults with 28 teeth. It is possible to have fewer than 32 teeth, depending on whether they all ...