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origins of life

A grey wolf hunting pacific salmon

Life

Nearly a third of coastal wolves in Alaska are eating sea otters

Grey wolves living on the southwest coast of Alaska are regularly eating a diet rich in marine animals

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Life

The ancient trees that have lessons for the future

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A mitochondrion

Life

Ocean bacteria may be closest relatives of mitochondria in our cells

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Mars

Space

Mars used to have wet and dry seasons similar to ones on Earth

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Life

Neuron-like machinery helps anemones decide when to sting

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Chemistry

Chemical reaction used in cooking may have helped complex life evolve

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The centre of the galaxy

Space

Essential molecule for life spotted floating in space for first time

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Why do so many people believe aliens have visited Earth?

Space

Why do so many people believe aliens have visited Earth?

Comment

Life

Shortage of male turtles could be solved by splash of cold seawater

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Environment

Eunice Newton Foote: The woman who discovered the greenhouse effect

In research presented in 1856, Eunice Newton Foote described how tubes of gas heated when exposed to sunlight, but the significance of her work was not appreciated

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Society

English industrialist stole iron technique from Black metallurgists

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Life

Zombie worms devour shark teeth that fall to the ocean floor

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Life

Why have orcas been damaging and sinking so many boats?

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Life

How a radical redefinition of life could help us find aliens

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