科学与环境
NASA reveals Earth's ozone hole has grown to a size not seen in a decade
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The Antarctic ozone hole expanded to its seventh-largest size on record in 2026, driven by unusual weather conditions that pushed it close to its historic maximum. Scientists say international restrictions on ozone-destroying chemicals prevented even greater damage, and Earth's p
The Antarctic ozone hole expanded to its seventh-largest size on record in 2026, driven by unusual weather conditions that pushed it close to its historic maximum. Scientists say international restrictions on ozone-destroying chemicals prevented even greater damage, and Earth's protective ozone layer is still recovering.
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Ancient rocks reveal when Earth's tectonic engine 'switched on'
Scientists have identified a major turning point in Earth's geological history, when the processes shaping the planet's crust changed dramatically and began to resemble the plate tectonics we see today—about 2.5 billion years ago.
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Scientists find deadly virus DNA hidden in 1,000-year-old manuscripts
Ancient manuscripts, including the 1,000-year-old York Gospels, have revealed traces of a deadly sheep virus whose history stretches back more than 3,700 years. Scientists discovered that the virus has remained remarkably unchanged for millennia, turning historic parchment into a
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Scientists uncover a 192-year-old mystery hidden in a mangled silver coin
A bizarrely deformed 1834 British silver coin found at a car boot sale may preserve evidence of a rare minting accident nearly 200 years ago. Advanced 3D scans and microscopic analysis revealed unusual metal distortions suggesting the coin was crushed under extreme pressure, pote
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Scientists discover why some mosquitoes love you and others don't
A surprising new study reveals that mosquitoes have very different tastes in humans, with each species attracted to its own combination of skin odors, chemicals, and bacteria. The discovery challenges the idea of a universal mosquito magnet and could lead to more effective repell
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Scientists discover a giant 66-pound rodent that lived 34 million years ago
Scientists have uncovered fossils of a giant rodent that lived in Thailand 34 million years ago, revealing that enormous rodents evolved much earlier than previously thought. Named Yakamys sirindhornae, the ancient animal may have weighed around 66 pounds, roughly twice as much a
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