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Life

Cost-cutting bacteria reap benefits of energy thrift

Building throwaway proteins on the cheap gives bacteria an evolutionary advantage

News

Life

Master gene-shuffler makes us all different

News

Thank mothers for large ape brains

Life

Thank mothers for large ape brains

News

Life

Why the 'sixth extinction' will be unpredictable

News

Life

How animals evolved personalities

News

Zoologger: Death by world's longest animal

Life

Zoologger: Death by world's longest animal

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Court freezes federal funding for embryonic stem cells

Health

Court freezes federal funding for embryonic stem cells

News

Wasps punish fake fighters

Life

Wasps punish fake fighters

News

Misconduct probe in Harvard animal morality lab

Life

Misconduct probe in Harvard animal morality lab

News

Biosemiotics: Searching for meanings in a meadow

Life

Biosemiotics: Searching for meanings in a meadow

Are signs and meanings just as vital to living things as enzymes and tissues? Liz Else investigates a science in the making

Opinion

Life

Zoologger: Sympathy for the piranha

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Life

Monkeys comfort each other after conflict

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Earth

Deep blue oceans spawn fewer tropical storms

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Technology

Laser sets quail embryos' hearts racing

News