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How to look after your oral microbiome

(Credit: Getty Images)

Editor's Picks

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 close-up of a tick crawling on some light-coloured clothing (Credit: Getty Images)

The search for a vaccine against Lyme disease

By Brianna Abbott

An illustration of an older man in a blue shirt and tie with a seagull standing on his head points to a mirror and laughs at himself (Credit: BBC/ Emmanuel Lafont)

The perks and pitfalls of laughing at yourself

By Laurie Clarke

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

(Credit: Getty Images)

The Viking word behind American independence

By Sophie Hardach

Earth

A whale shark swims in bright blue water, surrounded by small fish (Credit: Jonathan Irish)

The giant shark that seems to appear from nowhere

By Matthew Ponsford

A raccoon climbs out of a hole in a brick wall (Credit: Alamy)

The true story of Germany's rampant raccoons

By Matthew Ponsford

A leafcutter ant carries a section of leaf along a branch (Credit: Getty Images)

Want to get better at making decisions? Ask an ant

By Sofia Quaglia

A herring gull steals a croissant from a table (Credit: Getty Images)

How to stop seagulls stealing your food

By Katherine Latham

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In the otherworldly Chilean desert, this huge telescope could reveal alien life

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The world's mysterious mangrove forests captured in 13 striking images

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There's something unique about eating together that's good for us

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'It's very counterintuitive': The quantum batteries that upend the rules of charging

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'Security by antiquity': Why older tech is sometimes safer from hackers

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'You're fully accepted': Being nude in public can make us feel better about our bodies

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The sleep habits that help you wake up without an alarm

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India is turning to ancient water systems as modern ones run dry

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The meds that can make the heat harder to handle