New Scientist International Edition

New Scientist covers the latest developments in science and technology that will impact your world. New Scientist employs and commissions the best writers in their fields from all over the world. Our editorial team provide cutting-edge news, award-winning features and reports, written in concise and clear language that puts discoveries and advances in the context of everyday life today and in the future.

The war on food • We’re about to learn the hard way that we essentially eat fossil fuels

New Scientist International Edition

Cystitis or tooth decay could raise dementia risk

Drugs rid brain of Alzheimer’s proteins • Treatment that strengthens the brain’s ability to clean itself could delay the onset of Alzheimer’s disease by up to seven years, finds Carissa Wong

Sperm whales help each other give birth

Magnets may offer best asteroid defence

A quantum way to take the temperature

AI data centres could warm surrounding areas by up to 9.1°C

Male G-spot isn’t where we thought it was

Genetic clues tell the story of Neanderthals’ decline

Going on the hunt with Neanderthals • A set of elephant bones and a wooden spear found in Germany in 1948 are telling us more about the big-game-hunting abilities of our ancient human relatives, reports Emily H. Wilson

Turin Shroud has just become even more mysterious

Our friendship with dogs is a longer tale than we thought

Computer program spots flaw in physics paper for first time

Cloning has an unexpected problem • A study has shown cloning doesn’t produce perfect copies, with big implications for farming and de-extinction efforts, discovers Michael Le Page

Global food prices are rising • The real-terms cost of food is already nearing levels seen after the 1970s energy crisis, but the Iran war could cause it to rise even higher

Food shock is inevitable due to Iran war • Even if the conflict were to end today, disruption to fertiliser and pesticide production will lead to rising food prices, reports Michael Le Page

Rewriting Earth’s origin story • Computer simulations are making us think again about how our solar system’s rocky planets – Mercury, Venus, Earth and Mars – first formed, discovers Leah Crane

Disintegrating comet could reveal solar system’s secrets

We may have just discovered the closest ancestor of all apes

Fig tree canopy gives variety of animals a loo with a view

Is this the cause of Antarctic sea ice loss? • Sea ice extent in Antarctica has been declining sharply in recent years, and we are now starting to realise the role that the ocean has played in this abrupt shift, finds Alec Luhn

A negative attitude towards ageing is making you age faster • We know a person’s outlook can have a huge effect on their health. Graham Lawton looks at how you can change yours to age better

Are we evolving to be more stupid? • Humans have a high genetic mutation rate, which some say is making us less intelligent – but Michael Le Page finds these mutations may not be so bad after all

Amazon efforts

Three more great reads on sex and evolution

Of sex and nature • Ducks with corkscrew penises, fish changing sex – what do we really know about sex and reproduction on Earth? Less than we think, finds Elle Hunt

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“It becomes an obsession” • A psychedelic experience set author Michael Pollan on a quest to understand consciousness. He tells Olivia Goldhill what he learned – and how it changed him

Your letters

Look who’s talking • The deep links between your heart and brain have a profound effect on your health, finds Abigail Hodder

The impossible collider • Once dismissed as preposterous, the muon collider could answer...