杏吧原创

Space

Quartz crystals on Mars could preserve signs of ancient life

NASA鈥檚 Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the presence of hot water

Health

The 13 drugs and supplements that could slow brain ageing

NASA Webb Wows With Incredible Detail in Actively Forming Star System At the center is a thin vertical cloud known as Lynds 483 that is shaped like an hourglass with irregular edges. At lower center are two discrete bright white, tiny blobs of light that have raced away from the hidden central stars. The top lobe shows a more prominent orange U-shape. Orange bleeds into light purple, and brighter pink at its edges. Some background stars are visible through sections of this lobe. Higher up, there is an orange arc. Some brighter pink material extends to the top edges near the center. In the lower lobe, less orange is visible. More opaque light purple is in its top third, rippling out into semi-transparent blues and pinks. The lower lobe has more texture. V-shapes left and right of the lobes are darkest, and the background stars in these areas appear orange. Elsewhere, the black background of space is clearer, speckled with tiny white stars and faint orange galaxies. Shimmering ejections emitted by two actively forming stars make up Lynds 483 (L483). High-resolution near-infrared light captured by NASA?s James Webb Space Telescope shows incredible new detail and structure within these lobes. Credits: NASA, ESA, CSA, STScI

Space

See a shimmering hourglass-shaped star system in exquisite detail

Humans

Ancient face bones offer clues to identity of early humans in Europe

Environment

Do we finally understand what caused record heat in 2023 and 2024?

Chemistry

Metals can be squeezed into sheets just a few atoms thick

Technology

The first operating system for quantum networks has been built

Health

Signs of Terry Pratchett鈥檚 dementia may have been hidden in his books

Technology

Doubts cast over D-Wave’s claim of quantum computer supremacy

Life

Dozens of dinosaur footprints found in rock at Australian school

Palaeontologists have discovered 66 three-toed dinosaur footprints in a slab of rock that has been on display for 20 years at a school in Queensland

Space

Saturn gains 128 moons, giving it more than the other planets combined

Space

The asteroid Bennu is even weirder than we thought

Humans

The biggest coincidence in human evolution

Environment

Can we rely on forests to soak up the extra CO2 in the atmosphere?