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The Earth's rotation has never been perfectly stable; the spin has changed significantly throughout history. Even slight changes on the planet, from melting ice sheets to flux in the Moon's gravitational effects, can make days longer or shorter. But ...

Imagine it's a regular Tuesday morning and you're in Antarctica. Your eyes meet the sky, and the blue is so vivid it feels electric. The air is so clean you can just about taste it. Now, picture a dust storm over the Himalayas; you squint, trying to ...

When escaped domestic pigs bred with wild boar after the Fukushima evacuation, researchers gained a rare chance to observe large-scale hybridization. New findings show that maternally inherited rapid breeding accelerated genetic turnover, quickly ...