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The ruins of San Roque church in Villanueva, normally submerged partially in the waters of the Ebro reservoir, in the northern province of Cantabria, are now visible entirely on solid ground due to the ongoing drought that has caused the reservoir to be at 32.72% of its capacity, on August 8, 2023. The Iberian Peninsula is bearing the brunt of climate change in Europe, witnessing increasingly intense heatwaves, droughts and wildfires. The Spanish met office (AEMET) issued maximum red alerts for parts of Andalusia in the south, the Madrid region in the centre and the Basque Country in the far north. (Photo by ANDER GILLENEA / AFP) (Photo by ANDER GILLENEA/AFP via Getty Images)

Environment

2024 will break the extreme temperature records set in 2023

The elements that conspired to make 2023 so unusually warm are likely to push the dial even further in 2024, with meteorologists already warning about extreme heat

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Wide view of the telescope mount inside the dome

Space

Vera C. Rubin Observatory will start scanning the night sky in 2024

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Climate activists protest after a draft of a negotiation deal was released, at the United Nations Climate Change Conference COP28 in Dubai, United Arab Emirates, December 13, 2023. REUTERS/Rula Rouhana - RC25W4A9Z99Q

Environment

Will 2024 see the world finally turning away from fossil fuels?

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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

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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

Our favourite wildlife shots of the year feature an inquisitive hyena pup, a colourful sea slug and a fruit bat being swabbed for science

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Environment

The best photos of the natural world in 2023

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Space

The biggest science news stories of 2023 as chosen by 91av

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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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