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origins of life

Life

The ancient trees that have lessons for the future

What we can learn from efforts to protect Tane Mahuta, a giant kauri tree in New Zealand, and Pando, a forest of thousands of genetically identical trees that make up one organism

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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

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Society

English industrialist stole iron technique from Black metallurgists

A process for converting scrap metal into high-quality iron, which was crucial to the Industrial Revolution, was devised by Black metallurgists who were enslaved and transported to Jamaica by the British

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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

Features

Environment

UK and Ireland suffer one of the most severe marine heatwaves on Earth

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