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Moorish idol (Zanclus cornutus) swimming past a reef covered with Coral sea fans including (Melithaea sp.) and (Pseudopterogorgia sp.), Soft corals (Dendronephthya sp), (Chironephthya sp.) and (Scleronephthya sp.) and Branching cup corals (Tubastraea micranthus). Many different sponges and tunicates are also seen, as are many coral reef fishes, including Anthias and Damselfish, Raja Ampat, Indonesia, Pacific Ocean

Environment

The last-ditch plan to save coral reefs from utter destruction

Bleaching has devastated reefs around the world, raising fears of an irreversible shift. Yet new interventions have revealed that corals can be remarkably resilient if we can give them enough help to recover

Features

What is a ‘normal’ memory slowdown, and when should I worry?

Health

What is a ‘normal’ memory slowdown, and when should I worry?

Features

Understanding anorexia’s grip on the brain could unlock new therapies

Health

Understanding anorexia’s grip on the brain could unlock new therapies

Features

A portrait of Mark Thomson - a middle-aged man in glasses, smiling - with a background collage. The collage contains particle sprays, the LHC, and road signs from the CERN campus

Physics

CERN’s new chief on the gamble that could fix our picture of reality

Features

Why you need to future-proof your brain in middle age and how to start

Health

Why you need to future-proof your brain in middle age and how to start

Features

An employees poses next to an installation by US artist John Baldessari entitled 'Beethoven's Trumpet (With Ear)' at the Saatchi Gallery in central London on May 26, 2011. Forming part of 'The Shape of Things To Come: New Sculpture' exhibition, it is to be displayed from May 27-16 October 2011. AFP PHOTO/ CARL COURT (Photo credit should read CARL COURT/AFP via Getty Images)

Health

Hearing loss is bad for the whole body – but new treatments are coming

Features

A golden age of maths is dawning and mathematicians are freaking out

Mathematics

A golden age of maths is dawning and mathematicians are freaking out

Features

D6H4GB Implanted blastocyst, artwork

Health

Embryos made without sperm or eggs reveal why many pregnancies fail

Features

How a radical new view of life could reveal its origin – and aliens

Life

How a radical new view of life could reveal its origin – and aliens

Features

Does gravity create reality? A shocking path to a theory of everything

Physics

Does gravity create reality? A shocking path to a theory of everything

A rewrite of quantum mechanics that includes the force of gravity could finally achieve one of physicists’ biggest goals and reveal the ultimate fuzziness of time

Features

Health

Can we harness quantum effects to create a new kind of healthcare?

Features

Life

The Selfish Gene at 50: Why Dawkins’s evolution classic still holds up

Features

Life

Intoxicating and astonishing: Why 'The Selfish Gene' almost never was

Features

Space

The distant world that is our best hope of finding alien life

Features