A fossil found in Georgia is helping scientists answer a big question: why do humans have such a long childhood? Compared to other primates, we take way more time to grow up. And now, ancient teeth ...
Most animals, including humans, carry an internal lunar clock, tuned to the 29.5-day rhythm of the Moon. It guides sleep, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback