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How to make an artificial star - with lasers

(Credit: A Ghizzi Panizz/ Eso)

Editor's Picks

An illustration showing houses shaped as batteries feeding into an electricity pylon (Credit: BBC/ Serenity Strull)

The 'power plant' hidden inside Vermont homes

By Jack Carroll

A woman eats a healthy lunch outside (Credit: Getty Images)

'Powerful and beautiful': Why we all need body fat

By Melissa Hogenboom

An illustration of Moby Dick crashing into a vessel (Credit: Alamy)

A cranial organ allows sperm whales to sink ships

By Anna Bressanin

A couple in blue clothing sit together in a disheveled living space (Credit: Getty Images)

What really helps save a relationship

By Sophie Hardach

(Credit: Getty Images)

The Viking word behind American independence

By Sophie Hardach

Earth

Dalmatian pelicans in a lake in Turkey (Credit: Alamy)

The quest to save Turkey's lake of birds

By Katie Nadworny

An illustration shows two cupped hands holding a small patch of soil covered with grass, set against a blue backdrop (Credit: BBC/ Serenity Strull)

Why getting your hands dirty is good for you

By Becca Warner

People watch waves crashing into seaside houses at Mondos Beach, California, during a super El Niño event in 2016, with palm trees in the background (Credit: Getty Images)

The Pacific warming patterns warping US weather

By Isabelle Gerretsen

A mother bear and two bear cubs float in a swimming pool while resting their paws on the side. In the background is a white wall, orange chairs, cushions and an orange California sign (Credit: @poolbearlife)

The bears cooling off in a California pool

By Isabelle Gerretsen

Health

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Temperature and social time: How hunter-gatherers ensure they get a good night's sleep

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'It feels like a calling': The internet vigilantes who weaponise kindness

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'One of the great unsolved mysteries of science': What general anaesthetic reveals about our brains

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How to minimise the amount of polluted air you inhale while exercising

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'Confusion in the immune system': How allergies can develop later in life

Earth

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How the world realised whales are singing

Earth

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New York has a food waste problem. South Korea has already solved it

Earth

8

To save scarlet macaws, scientists are rescuing chicks from their lethal parents

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30-second habits to improve your mood