Researchers discovered that certain human brain cells evolved unusually fast, altering autism-linked gene activity.

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

New research suggests that the evolution of the human brain may explain why autism is more common in humans than in other ...

A paper in Molecular Biology and Evolution finds that the relatively high rate of autism-spectrum disorders in humans is ...

F or the past century and a half, the concept of evolution has primarily been wielded by those describing change of a purely biological nature. But according to ecologist Mark Vellend, this sort of ...

From a relatively young age, many of us are given one overarching piece of advice when it comes to having an itch: whatever you do, don’t scratch it. Whether it’s from a mosquito bite, a sunburn or a ...

Depression feels weird compared to things like fear or anger, which help us survive by warning us of danger or pushing us into action. Instead, it slows us down, saps our energy, and makes us pull ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have evolved testicles of all different sizes. In almost all these separate cases, ...