Disentangling magnetic signals in its ancient rocks gives an updated view of the paleocontinent’s position during the Ediacaran period.
unsolved mysteries
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Chemical Companies Are Churning Out New PFAS. Where in the World Are They Ending Up?
Bans on older versions of “forever chemicals” seem to be working. But emerging variants behave in ways that scientists are only beginning to pin down.
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What’s Below the Great Salt Lake? More Water
Pools of fresh water and salt water not far below the lake bed help explain some of the lake’s curious features, including mineral mounds and reed islands.
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Titanic Shake-Up Could Explain Saturn’s Young Rings and Strange Moons
A new model shows how the migration of Titan could have destroyed another moon, creating Saturn’s rings and the moon Hyperion. And, the model suggests, this all happened in the past billion years.
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Small, Faint, or Fast, Rubin Will Find It
The Vera C. Rubin Observatory is set to redraw the map of the solar system by discovering millions of small, fast-moving objects hidden all around us.
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Apollo Samples Told a Conflicting Story About Lunar Magnetism, Until Now
Observations suggested the Moon had both a weak and strong magnetic field in the distant past. A new study presents a theory accommodating all the evidence.
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The Planet That Shouldn’t Be There
A newly discovered exoplanet suggests that a different way to build planetary systems could be possible.
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COVID-19 Shutdowns Saw Human Emissions Slow, but Atmospheric Methane Surged
An uptick in wetland emissions, as well as a scarcity of atmospheric OH radicals, contributed to the counterintuitive methane spike.
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What do BLOBs Have to Do with Earth’s Magnetic Field? A Lot, It Turns Out
Enormous provinces of superheated mantle exert a powerful influence over our planet’s magnetic field, researchers have discovered.
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When the Snow Melts, Microbes Bloom
A new study illuminates a complex and changing world of microbes and nitrogen cycling that occurs during the winter.