Mirror Neurons

Mental Mirrors

Special cells in the brain mimic the actions and intentions of others, forming the basis of empathy and social connections.

Vaquita Mother and Calf

How Now, Little Cow?

The vaquita, the world's smallest porpoise, lives only in the northern Gulf of California. With just 200 individuals remaining, can the species survive?

elde

At a Loss for Words

The Native-American language Salish–Pend d’Oreille is on the brink of disappearing.

butterflies

The Origins of Form

Ancient genes, recycled and repurposed, control embryonic development in organisms of striking diversity.

Darwin's Shrink

Darwin’s Shrink

A noted Darwin historian probes the naturalist’s inner life.

Fish art

Fish Out of Water

Human ailments as varied as hernias, hiccups, and choking are a legacy of our “fishy” ancestry.

shrew 1

No Taming the Shrew

Good thing for us it’s small, because this predator gives no quarter to its quarry.

Invisible 1

Invisibility

A device that renders objects truly invisible may be commonplace within the next few decades.

Lethal Fuzz slide show

Lethal Fuzz

Toxic hairs enable some caterpillars to venture forth in conspicuous processions.

The Art of Bones

Nineteenth-century artist Benjamin Waterhouse Hawkins still influences how prehistoric life is represented today.

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Comparing the rewards of small-scale farming to those recounted by Thoreau

Conspicuous armaments are good visual proxies for fighting ability.