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2R2AKY2 Advertising for Wegovy (semaglutide) weight loss injections in the New York subway on Sunday, April 30, 2023. (? Richard B. Levine)

Health

2024 will see a new weight-loss drug that trumps Wegovy and Ozempic

Recently approved in the US, the weight-loss drug Zepbound will reach more people in 2024, with research suggesting its effects trump those of the much talked-about Wegovy and Ozempic

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A0XHR7 Fall colored trees reflected off Crawford Lake Ontario Canada

Earth

We might officially enter the Anthropocene epoch in 2024

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Mathematics

Mathematicians found a guaranteed way to win the lottery in 2023

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Earth

China started drilling ultra-deep holes in 2023 in a hunt for oil

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Technology

The best robot photos of 2023, from fashion shows to Hollywood strikes

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MRI scans of a healthy brain (left) and a brain with amyloid plaque deposits (right), a sign of Alzhiemer's disease

Health

2023 saw a cautious hope for Alzheimer's treatment but doubts remain

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Life

The best animal photos of 2023, from hyenas to southern stingrays

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Environment

The best photos of the natural world in 2023

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This carbon nitride is nearly as hard as diamond

Chemistry

Material made of carbon and nitrogen is nearly as hard as diamond

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Space

The biggest science news stories of 2023 as chosen by 51��

AI chatbots and a weight-loss drug swept the world, temperature records tumbled and India landed on the moon in a year of astonishing science news

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Space

India made history with 2023's low-budget Chandrayaan-3 moon landing

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Technology

2023 was the year that artificial intelligence went mainstream

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Mathematics

Mathematicians discovered the ultimate bathroom tile in 2023

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Physics

LK-99 superconductor mania swept the internet for a few weeks in 2023

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