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What’s past is prologue • 2023’s biggest stories will continue next year – but changes are on the horizon

New Scientist International Edition

Destination Europa

A new era of obesity treatments • Ozempic and Wegovy made headlines in 2023, but a more potent weight-loss drug could reach people in 2024 – with more on the horizon, reports Clare Wilson

Giant telescope will take incredible pictures of the night sky

Think 2023 was hot? Meet 2024 • The elements that conspired to make 2023 so unusually warm are likely to push the dial even further next year, says James Dinneen

COP28 promised an end to fossil fuels, and now 2024 must start to deliver

Artificial uteruses on the horizon • After successful trials in hundreds of premature lambs, a US agency has hinted that it may soon approve a first-in-human study of an artificial uterus, reports Alice Klein

Creators fight back against AI • Tech giants are gearing up for a series of potentially bitter legal battles over claims they used copyrighted material in training data, says Alex Wilkins

Has human activity put Earth into a new epoch?

The lunar armarda • An extraordinary number of missions are headed to the moon in 2024, with landers, orbiters and perhaps even crewed vehicles set to make the trip, says Leah Crane

Tower of Babel • Artifical intelligence will make it easier than ever to communicate across linguistic borders. But is this good, asks Philip Seargeant

This changes everything • California dreaming A strange city could take shape north of Silicon Valley, funded by venture capitalists. Its founder rejects the “utopian” label, but Annalee Newitz isn’t convinced

Light up the sky

Science to look out for • Why is gravity still a puzzle? Do humans make pandemics? Are we all ocean people? 2024’s best reads probe our toughest questions, finds Simon Ings

New sci-fi horizons • Extraordinary science fiction novels await the intrepid reader in 2024, says Sally Adee

The TV column • Second take After an epic Hollywood writers’ strike destroyed schedules, shows like Fallout and 3 Body Problem should finally air in 2024, alongside some beguiling documentaries and gritty British dramas. Fingers crossed, says Bethan Ackerley

Your letters

Open wide! • Hordes of oral bacteria can migrate around your body, with serious consequences for your long-term health. Luckily, there are ways to keep them on side, says Jasmin Fox-Skelly

‘We could be the first to meet the needs of everyone while reducing our footprint’ • Climate change and biodiversity loss may seem like insurmountable problems, but data scientist Hannah Ritchie tells Alison George why she is cautiously optimistic that we can solve them

Cosmic threads • Galactic oddities could finally reveal that space-time is shot through with gossamer-thin threads of extreme energy produced in the big bang, says Dan Falk

The art of small improvements • Rather than making ambitious New Year’s resolutions, try embracing the concept of kaizen, says David Robson

Puzzles

Almost the last word

Tom Gauld for New Scientist

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