杏吧原创

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NASA's Space Launch System (SLS) rocket with the Orion spacecraft aboard is seen atop a mobile launcher at Launch Pad 39B as preparations for launch continue, Sunday, Aug. 28, 2022, at NASA's Kennedy Space Center in Florida. NASA's Artemis I flight test is the first integrated test of the agency's deep space exploration systems: the Orion spacecraft, SLS rocket, and supporting ground systems. Launch of the uncrewed flight test is targeted for no earlier than Aug. 29 at 8:33 a.m. ET. Photo Credit: (NASA/Joel Kowsky)

Space

Risk for Orion is even higher than for SLS, says NASA official

The Artemis I launch is planned for 3 September. NASA official Thomas Zurbuchen says it will be a test of the heat shield, communications and propulsion of the Orion spacecraft

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Artist's concept pf Perseverance rover

Space

NASA made enough oxygen on Mars to last an astronaut for 100 minutes

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DeepMind learns to play soccer
Technology

Watch DeepMind’s digital humanoids learn to play soccer

Video
An image of the digita humanoid soccer players

Technology

DeepMind AI learns to play soccer using decades of match simulations

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A tiny gearbox driven by an external magnetic field enabled one soft robot to jump almost 40 times its height

Technology

Magnetic gearbox could power robots to crawl or jump inside your body

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Environment

Our neighbouring planets can help us understand Earth’s climate change

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Chanda Prescod-Weinstein speaks at SESSION 5 at TED2022: A New Era. April 10-14, 2022, Vancouver, BC, Canada. Photo: Gilberto Tadday / TED

Humans

How I gave a TED talk on dark matter

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^BHormone replacement therapy.^b Close-up of Hormone Replacement Therapy (HRT) pills in a circular dispenser. HRT pills are synthetic hormones used to treat menopausal women. They counteract the hormone deficiency that occurs at menopause. These pills contain oestrogen, and often progestogen, drugs. HRT helps to prevent ^Iosteoporosis,^i ^Iatherosclerosis^i and ^Iatrophic vaginitis^i (where the vagina becomes thin and dry). Pills are taken daily on a monthly basis to coincide with the menstrual cycle. Adverse effects include nausea, tenderness of the breasts, fluid retention and leg cramps.

Health

Outdated research on HRT is letting people down

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3d render of helium-3 atom on a cloudy purple background; Shutterstock ID 117909754; purchase_order: -; job: -; client: -; other: -

Physics

Protons inside some types of hydrogen and helium are behaving weirdly

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Pantolambda

Life

Early mammals lived faster and died younger than modern ones

The extinction of the dinosaurs left an ecological hole that was quickly filled by mammals, which rapidly developed larger bodies. Now it seems this evolutionary growth spurt was a result of living life in fast forward

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Health

杏吧原创s home in on genetic causes of uncombable hair syndrome

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Life

Two-legged dinosaur from Zimbabwe is the oldest ever found in Africa

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Technology

Hacking device can secretly swipe and tap your smartphone screen

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Environment

Half of fish tested in an Amazon river have unsafe levels of mercury

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