Earth
Analyze This: Salt may quash lightning over the sea
Bits of airborne salt may help raindrops form, removing water from clouds before it can freeze as part of the process that makes lightning.
HS-ESS2-2
Analyze geoscience data to make the claim that one change to Earth's surface can create feedbacks that cause changes to other Earth systems.
More Stories in HS-ESS2-2
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EarthAnalyze This: Wildfires are pumping more pollution into U.S. skies
Researchers wanted to study the health effects of wildfire smoke. But they realized they didn’t know where it was and how much exposure people had.
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EarthOne 2022 tsunami may have been as tall as the Statue of Liberty
A massive volcanic eruption in the South Pacific, earlier this year, appears to have triggered one tsunami that was initially 90 meters (nearly 300 feet) tall.
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ClimateHeat waves appear more life-threatening than scientists once thought
This is bad news as a warming planet leads to growing numbers of excessive heat waves — and millions more people facing potentially deadly temperatures.
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PhysicsScientists used lasers to make ‘smoke rings’ of light
Physicists had a bright idea: Make light into swirling, ring-shaped vortices, similar to smoke rings or bubble rings.
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EarthUplifting Antarctic shores point to accelerating loss of glaciers
It appears the Pine Island and “Doomsday” Thwaites glaciers are losing ice — and shrinking faster — than at any time in the past 5,500 years.
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SpaceGravitational waves ‘kicked’ a newborn black hole across space
Two black holes merged into one, and then sped off at around 5 million kilometers (3.1 million miles) per hour.
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EarthScientists Say: Atmosphere
An atmosphere is an envelope of gas around a planet, dwarf planet or moon.
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EarthA bold plan to save the planet turns carbon dioxide into stone
Scientists hope that capturing carbon dioxide this way will limit both further warming of our planet and an escalation of extreme weather events.
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EarthThe Alps’ Matterhorn shows how much even big mountains sway
Such mountain sway data can help planners map high-risk zones for peaks, bridges or any large structures.