1. Lie on your stomach and place your hands directly under your shoulders with your palms flat on the floor. 2. Press up, ...
Live Science on MSN
Tiny bump on 7 million-year-old fossil suggests ancient ape walked upright — and might even be a human ancestor
The way Sahaleanthropus tchadensis moved has long been debated. The discovery of a small bump on the front of the thigh bone ...
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