51动漫

Life

How we evolved to trade longevity for vitality

Growing old is the price we pay for the youthful vigour that having children demands, says Jonathan Silvertown in The Long and Short of It

The best science books of 2013

All present: Our pick of the best science gifts

Gift guide: Our pick of the best science books

Win our top gift: a stool made of fungus

Win 13 of the best books from our seasonal guide

Competition: Win a medical masterpiece!

Environment

The shaman’s-eye view: A Yanomami verdict on us

Life

Alfred Russel Wallace: A very rare specimen

Humans

The edge of reason: When logic fails us

There are inherent limits to logic that can't be resolved, and they bedevil our minds too, says Noson Yanofsky in The Outer Limits of Reason

Health

Memory loss and memories found in ageing brains

Humans

Babies know good from evil 鈥� is this morality?

Earth

Diary from 2050: How we made a better world

Humans

Locating art in the brain of the beholder