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Psychiatrist Deepak D’Souza says we are finally beginning to understand the relationship between cannabis use and schizophrenia, including which drug users are most at risk

Nine old apartment buildings in New York City were retrofitted from the outside to consume less energy while minimising disruption to tenants

Researchers injected a leech with gel that transforms into a soft electrode, letting them control its muscle contractions – this gel could eventually be used in the brain to treat neurological conditions without surgery

As global warming accelerates, the Arctic is changing fast. Gregor Sailer captures this deep shift in his photographs of military stations and ice monitoring kit, part of his exhibition called The Polar Silk Road

Law-makers must act like speculative fiction authors and try to foresee how technology will change our world, says writer Ray Nayler

Your cells crackle with electric signals that guide embryonic development and heal wounds. If we can learn to tweak this “bioelectric code”, we might be able to prevent cancer and even grow new limbs

Feedback learns that coffee beans can be used for much more than just a delicious drink, before diving headfirst into the abyss of infinite lunacy.

Interstellar space may seem like unbroken nothingness, but thanks partly to the Voyager probes, we're getting many new insights into this region's exotic chemistry, strange waves and vast bubbles

From a sea turtle and diver swimming in harmony in Malaysia to a red-eyed tree frog in its Costa Rican rainforest home, take a peek at some of the winning entries in one of the most prestigious photography competitions

From cancer cures to the Kama Sutra, the word "quantum" has been comprehensively hijacked. A book by physicist Chris Ferrie explores why and sets out to fight back