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Fusion Energy

It would solve environmental headaches, but it remains hard to achieve

By Michael Moyer

Extra Dimensions

The world's biggest particle collider might uncover new slices of space

By George Musser

Creation of Life

Synthetic biology remakes organisms, but can it bring inanimate matter to life?

By David Biello

Cloning of a Human

The process is extremely difficult, but it also seems inevitable

By Charles Q. Choi

Asteroid Collision

An extinction-level event is unlikely, but "airbursts" could flatten a city

By Robin Lloyd

Fake Botox, Real Threat

A booming market for a counterfeit beauty product could put a deadly biological weapons agent in the wrong hands

By Ken Coleman and Raymond A. Zilinskas

Did Neandertals Think Like Us?

João Zilhão defends his controversial view that our oft-maligned relatives shared our cognitive abilities


Washing Carbon Out of the Air

Machines could absorb carbon dioxide from the atmosphere, slowing or even reversing its rise and reducing global warming

By Klaus S. Lackner

Is Time an Illusion?

The concepts of time and change may emerge from a universe that, at root, is utterly static

By Craig Callender


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