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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with Â鶹´«Ã½â€™s exclusive in-depth articles, interviews and long reads.

Marijuana : A safe high? – Cannabis faces serious charges from the US government. You are the jury

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Life

Day of the Mutators

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Spin doctors – First came tweezers, now there’s a spanner in the laser toolkit. As Michael Brooks finds out, microengineers can wield its whirling beam to trap and spin particles no bigger than red blood cells

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Deep freeze – Why does the Earth plunge in and out of ice ages? The answer may lie in an unexpected direction, says Gideon Henderson

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Life

Liar! Liar!

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Blow-up – NASA’s scientists hope to revive an orbiting camera capable of mapping the world in extraordinary detail. Ben Iannotta reports

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Damage Control – Precision chemical instruments that snip out or block a section of DNA’s double helix have astounding potential. Switching off cancer genes is just a start, as Jim Thomas finds out

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Superconductors in a twist – Materials that banish electrical resistance have been a disappointing flop—all because of the spiralling currents that rage inside them. Now the race is on to tame these miniature whirlwinds, says Debra Dougherty

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Let there be light – After the big bang came the age of darkness. Then, sometime in the next billion years, the stars began to shine. Marcus Chown investigates how it happened

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Splitting the electron

Electrons can "split" to form smaller charges, and physicists have finally worked out how they do it – by swirling and swarming like angry bees. Bennett Daviss reports

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Wasteworld – What do you get when you mix river water polluted with raw sewage and lakes as acid as vinegar? A place to take the kids waterskiing. Dan Charles explains

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Technology

Aerial magic – Your mobile phone, the gas meter under the stairs and the

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Earth

The storm in the machine

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You could be on the wanted lists!

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