Brains

The brain’s pleasure system wastes away in early dementia, study finds

To become queen, these ants shrink their brains and balloon their ovaries (then turn them over)

Israeli scientists say they have paved the way for eliminating the brain’s ‘hunger switch’

To become queen, these ants fight – then their brains shrink

These ants shrink their brains for a chance to become queen

The earliest homopopulations in Africa had primitive ape-like brains – only half the size of modern humans

Our ancestors left Africa with as well as without modern brains

Early humans walked around with monkey-like brains, study finds

First ‘Homo’ species left Africa with monkey-like brains

Studies that make brain-like structures or add human cells to animal brains are for the first time ethical Science

Why do our brains miss opportunities to improve through subtraction?

What fueled people’s big brains? Controversial article proposes a new hypothesis.