Roughly half of the earthquakes that occurred along the southern Cascadia subduction zone over the past 3,000 years were temporally associated with earthquakes along the northern San Andreas fault.
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Speedy Flyby Adds New Organics to Enceladus’s “Primordial Soup”
A new analysis of old Cassini data has also verified past detections of complex organics in Saturn’s E ring, strengthening the chemical ties between the ring and its progenitor.
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A Weak Spot in Earth’s Magnetic Field Is Going from Bad to Worse
This could be bad news for satellites and spacefarers.
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Safety Device Supplies Life-Saving Air in an Avalanche
An Alpine medical team buried 24 volunteers in a mountain pass. Their study confirmed the efficacy of the Safeback SBX, which uses snow’s natural porosity to supply air to buried avalanche victims.
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What Tumbling Asteroids Tell Us About Their Innards
Data from the Gaia space observatory reveal that many slowly spinning asteroids rotate chaotically. A new theory links that chaos to their inner structure and history.
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As CO2 Levels Rise, Old Amazon Trees Are Getting Bigger
New data show resilience among the rainforest’s giants, though scientists warn that nutrient limits and rising heat could end the trend.
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Are “Day Zero Droughts” Closer Than We Think? Here’s What We Know
A new study warns that day zero droughts—when reservoirs fail to supply taps—could become common within this decade.
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Satellite Data Reveal Changing Lakes Under Antarctic Ice
Radar altimetry observations have pinpointed 85 active subglacial lakes, shedding light on how water moves beneath the Antarctic Ice Sheet.
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Fire, Not Deforestation, Is Now the Amazon’s Biggest Carbon Emitter
Forest degradation in the Amazon increased by 400% in 2024. It was largely driven by wildfires during the forest’s worst fire season in more than 20 years.
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Marine Heat Waves Slow the Ocean’s Carbon Flow
When plankton find themselves in hot water, organic matters stalls at the surface and disrupts transport of carbon to the deep ocean.