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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

The US approved lecanemab to slow cognitive decline among people with early Alzheimer's, but not everyone is convinced the drug has that big of an impact – not to mention concerns over its safety and practicality

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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 �鶹��ý

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GTG9F9 Hot mulled wine and book in woman hands. Relaxing in front of burning fire in the cold winter day.

Chemistry

Can science explain why some drinks and foods are a perfect match?

Regulars

Alastair Reynolds: An exclusive short story for �鶹��ý

Society

Alastair Reynolds: An exclusive short story for �鶹��ý

Culture

NEW DELHI, INDIA - AUGUST 23: People celebrates after successful landing of Chandrayaan 3 on Moon at Nehru Planetarium on August 23, 2023 in New Delhi, India. The Chandrayaan-3 lander module has successfully touched down on the Moon's south pole, making India the first nation in the world to achieve this feat. India is also the fourth nation, after the United States, China and Russia to have landed on the Moon. (Photo by Sanchit Khanna/Hindustan Times via Getty Images)

Space

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

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2RF6WE0 FOTOMONTAGE, Miniatur-Roboter auf einer Computerplatine mit dem Schriftzug ChatGPT

Technology

2023 was the year that artificial intelligence went mainstream

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David Smith, Joseph Myers, Chaim Goodman-Strauss and Craig S. Kaplan prove that a polykite that we call

Mathematics

Mathematicians discovered the ultimate bathroom tile in 2023

After decades of searching, mathematicians discovered a single shape that can cover a surface without forming repeating patterns, launching a small industry of "aperiodic monotile" merchandise

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Physics

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

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Technology

The spy balloon saga of 2023 inflated US-China political tensions

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Health

Cancer in young people is rising and 2023 saw a plan to figure out why

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Health

Wegovy and Ozempic made 2023 a revolutionary year for weight loss

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