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Heart, heal thyself! No problem, says the zebrafish

Life

Heart, heal thyself! No problem, says the zebrafish

A zebrafish's heart has a striking ability to regenerate – and to look good in a prizewinning image for an annual cardiac research photography contest

Regulars

Zoologger: The pint-sized sabre-toothed opossum

Life

Zoologger: The pint-sized sabre-toothed opossum

News

'Parasitism is the most popular lifestyle on Earth'

Life

'Parasitism is the most popular lifestyle on Earth'

Opinion

DNA fails to take off

Life

DNA fails to take off

CultureLab

Health

Men's sperm quality decreases at age 35

News

Health

New thinking means new hope on depression

Opinion

Health

Fixing broken brains: a new understanding of depression

Features

Medicine hunter of the Brazilian Amazon

Health

Medicine hunter of the Brazilian Amazon

Opinion

A garden of my own amid a sea of garbage

Earth

A garden of my own amid a sea of garbage

Regulars

Blue wave of death caught on camera

Life

Blue wave of death caught on camera

A wave of blue fluorescence spreads through a roundworm in its final hours, revealing the chemical trail of death – but the mechanism is a surprise

News

Life

Rules of evolution go a bit random if you're small

Opinion

Life

A tall tale: How the sauropod got its neck

Features

Life

Chimps have experimented with sex more than humans

News

Health

Chromosome that causes Down's silenced for first time

News