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See chicken develop on drugs through a cracked eggshell

Life

See chicken develop on drugs through a cracked eggshell

Peek inside two eggs containing moving, developing chicks to see how giving one a muscle stimulant can have a life-long effect on its body shape

Regulars

Zoologger: Spider has sex, then chews off own genitals

Life

Zoologger: Spider has sex, then chews off own genitals

News

Adapt first, mutate later: Is evolution out of order?

Life

Adapt first, mutate later: Is evolution out of order?

Features

Ancient sea scorpion shows off its land legs

Life

Ancient sea scorpion shows off its land legs

Regulars

Lizard penises evolve super-fast

Life

Lizard penises evolve super-fast

News

Human brains have a groovy feature that chimps' don't

Life

Human brains have a groovy feature that chimps' don't

News

I'm tapping the housefly's genome to fight disease

Health

I'm tapping the housefly's genome to fight disease

Opinion

Talking gibbonish: Deciphering the banter of the apes

Life

Talking gibbonish: Deciphering the banter of the apes

Features

Zoologger: The tasty crab that looks like an ugly frog

Life

Zoologger: The tasty crab that looks like an ugly frog

News

Volcanic iron delayed explosion of life on Earth

Life

Volcanic iron delayed explosion of life on Earth

Ancient microbes churned out oxygen for half a billion years before it reached levels adequate for complex life. A glut of iron may explain why it took so long

News

Life

Deep bacteria may evolve even without passing genes on

News

Life

Pet theory: Why domestic animals look cute

Opinion

Life

Birds build snow tunnels for fun

News

Humans

2015 preview: Meet more of your long-lost cousins

News