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Space

Space was for sale in 2024 as private missions led by Elon Musk boomed

From the first private moon landing to the first civilian spacewalk, Elon Musk’s SpaceX helped drive a big year for private space flight

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The Best of 91av 2024

Video

Life

Dogs pull harder on the leash when they wear a harness than a collar

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Woodstock, CT - July 9: A young cow at Fairvue Farms. (Photo by Suzanne Kreiter/The Boston Globe via Getty Images)

Health

Bird flu suddenly got serious in 2024, infecting dozens of people

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Technology

Energy-hungry AI is already harming health – and it’s getting worse

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Scenic landscape with tundra, lonely mountain and moon. In June in the Arctic in the tundra, not all snow has melted yet. Beautiful nature of the far North. Anadyr tundra, Chukotka, Siberia, Russia.; Shutterstock ID 1602740413; purchase_order: -; job: -; client: -; other: -

Environment

Arctic tundra is now a source – not a sink – of carbon emissions

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Physics

Ultracold atoms measure gravity with surprising precision

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Environment

Extreme heat may rapidly sap the ocean’s ability to absorb CO2

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Humans

Game-changing archaeology from the past 5 years – and what’s to come

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Technology

Is Google’s new Willow quantum computer really such a big deal?

Google has unveiled a new quantum computer called Willow that excels at a benchmarking problem, but it still isn't clear whether these machines can serve a practical purpose

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Health

Thirteen proteins in your blood could reveal the age of your brain

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Mathematics

Mathematicians have figured out the best sofa shape for moving around

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Humans

Believing in Santa Claus doesn’t make children act nicer at Christmas

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Technology

Chips linked with light could train AI faster while using less energy

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