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An ear suspended in some clear material between two sheets of glass on top of a display stand

Technology

What can we 3D print? Everything! Here are 8 awesome examples

When Chuck Hull invented 3D printing, it was just for prototyping plastic parts. Now we can print with everything from metal to chocolate and even human cells

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red giant stars

Life

Life's subatomic secret: How we're cracking the Hoyle state

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beaver underwater

Life

How beavers could help save the western US from a dry future

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Chuck Hull

Technology

Don't give up: The inventor of 3D printing tells his story

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Randy Hillard, pictured on a street in San Francisco

Health

The price of my life: $1.6 million and counting

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price tag

Health

What are you worth? How we calculate the value of a life

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Robert Pitman

Life

I saw humpback whales save a seal from death by killer whale

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illustration world web

Technology

The database that is rewriting history to predict the future

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man and forge

Technology

Impossible alloys: How to make never-before-seen metals

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deformed dolphin with whale

Life

Animal heroes that save other species: Five amazing stories

Whales adopt a dolphin, a bear saves a crow and humans are rescued from a great white shark. Read about the creatures that went beyond their Darwinian duty

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Humans

Tired all the time? Why fatigue isn't just about sleep

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Earth

The Enlightenment scientist who feared Earth's frozen future

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Life

A language is born – and now it is dying

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Technology

The reaction that would give us clean fossil fuels forever

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