We finally have an idea of how the lifetime supply of eggs develops in primates
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Scientists have studied female monkey embryos to map how, when and where the egg supply develops. This can now be used to build realistic models of ovaries in the lab to search for the causes of reproductive health issues that lead to infertility.
There are 32 different ways AI can go rogue, scientists say — from hallucinating answers to a complete misalignment with humanity
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New research has created the first comprehensive effort to categorize all the ways AI can go wrong, with many of those behaviors resembling human psychiatric disorders.
The world's first view of Earth from the moon, taken 59 years ago — Space photo of the week
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On Aug. 23, 1966, NASA's Lunar Orbiter 1 sent back the first photo of Earth from the moon. It showed a grainy crescent Earth that predated Apollo 8's famous color «Earthrise» by over two years.
How far can the most powerful telescope see into space?
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Telescopes have come a long way since the first one was invented in 1608. So what's the most powerful telescope operating today, and how far can it see?
Skyscraper-size spikes of methane ice may surround Pluto's equator
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Giant, ridge-like structures of methane ice, known as «bladed terrain,» may be much more abundant along Pluto's equator than previously realized, a new study suggests.
See 'hyperrealistic' reconstructions of 2 Stone Age sisters who worked in brutal mine in the Czech Republic 6,000 years ago
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New reconstructions based on the skeletons of two sisters who lived in a prehistoric mining community in what is now the Czech Republic show what they likely looked like and wore.
Humans may have untapped 'superpowers' from genes related to hibernation, scientists claim
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Scientists pinpointed key «regulators» that help control the metabolisms of hibernators, and say the same genes might hold untapped benefits for humans.
Scientists analyze 76 million radio telescope images, find Starlink satellite interference 'where no signals are supposed to be present'
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Astronomers have long voiced concerns about Starlink's satellite constellation interfering with observations of the universe, and a new survey by Curtin University confirms those fears.
NASA unveils 9 stunning snapshots of the cosmos in X-ray vision: Space photo of the week
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Scientists have released nine dazzling images from NASA's Chandra X-ray Observatory, blending data with the Hubble and James Webb space telescopes to reveal black holes, star clusters and distant galaxies like never before.
Earth, Mars, Venus — and a long-lost planet — may have once 'waltzed' in perfect harmony around the sun
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New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun.
2 stars in 'serpent god of destruction' system are hurling their blazing guts at each other, James Webb telescope reveals
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Captured in infrared light by the James Webb Space Telescope, the peculiar star system Apep consists of two dying stars spewing their innards at each other.
Astronomers discover new dwarf planet 'Ammonite' — and it could upend the existence of Planet Nine
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A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be another nail in the coffin for the Planet Nine hypothesis.
The more advanced AI models get, the better they are at deceiving us — they even know when they're being tested
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More advanced AI systems show a better capacity to scheme and lie to us, and they know when they're being watched — so they change their behavior to hide their deceptions.
Moon, Mars, and meteors: Why July 28 is the best night for skywatching all summer
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A conjunction between a crescent moon and Mars joins an ongoing display of 'shooting stars,' making July 28 one of the best nights for skywatching all summer.
Bad news for alien life? Earth-size planets may be less common than we thought
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Up to 200 worlds investigated by NASA's exoplanet-hunting TESS satellite could be bigger than predicted, a finding that could impact our search for alien life.
Watch this robot 'cannibal' grow bigger and stronger by consuming smaller robots
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Scientists explore the concept of «robot metabolism» with a weird machine that can integrate material from other robots so it can become more capable and overcome physical challenges.
A peatland in the Amazon stopped absorbing carbon. What does it mean?
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Peatlands cover just a fraction of Earth's surface, but store huge amounts of carbon. In the Peruvian Amazon, one of these swamps has switched to carbon neutral.
Return of wolves to Yellowstone has led to a surge in aspen trees unseen for 80 years
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Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young trees, and it is finally paying off for quaking aspen.
