Even tiny muscles around the ears hint at our evolutionary past. In many mammals, tiny ear muscles allow the outer ear (pinna ...

Plus: Neuralink's second trial with a human patient appears to have been a success This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the ...

The human body is often described as a marvel of “perfect design”: elegant, efficient and finely tuned for its purpose. Yet, when we look closer, a rather different picture emerges. Far from being a ...

For decades, scientists believed climate was the main force guiding where early humans lived across Africa. Shifting rain ...

Throughout most of human history, evolution progressed slowly. Small genetic changes took thousands of years to permeate populations. Natural selection was intentional, reactive, and gradual. However, ...