Shock waves from Cold War era nuclear tests gave seismologists a glimpse of the inner core. Its wobbly rotation could explain phenomena such as the periodic change in the length of a day.
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Sorting Minerals Differently Could Usher a New Era for Mineralogy
Grouping minerals by how they were formed yields insights into our planet’s evolution across billions of years.
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Hazardous Air Pollutants Found in Cooking Stove Gas
A Boston study revealed that natural gas piped into homes contained 21 toxins on the EPA’s hazardous air pollutant list.
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Mapping a Volcanic Eruption in the Backyard of Iceland’s Capital
Researchers used satellites and aerial data to create regularly updated maps of the Fagradalsfjall eruption for both the public and disaster response agencies.
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The Simple Usefulness of the Secchi Disk
A centuries-old sailor’s hack enters the ecologist’s toolkit.
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Flipping the Sequence of Martian Formation
Analysis of the Chassigny meteorite suggests the planet acquired most of its interior volatiles from meteorites, not from the solar nebula.
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Roosters, S’mores, and #EmergencyCute: A Humor-in-Crisis How-To
When natural hazards strike communities, we may not think science agencies should respond with humor. Researchers suggest that sometimes, however, humor can connect communities and bring smiles.
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Volcanic Lava Lake Belts Out Its Secrets in Seismic “Songs”
A cacophony of magma displacements and volcanic gases recorded underneath Kīlauea’s roiling lake of lava could one day provide information to help predict future eruptions.
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Tree Mortality Risk Surges in Australian Rain Forests
Researchers link vulnerability to “atmospheric drought” associated with climate change.
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Galaxy Mapper Tracks Asteroids Closer to Home
The Gaia mission’s asteroid survey will help dig deeper into the solar system’s rocky history.