
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.
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Bits of airborne salt may help raindrops form, removing water from clouds before it can freeze as part of the process that makes lightning.
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.
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.
This is bad news as a warming planet leads to growing numbers of excessive heat waves — and millions more people facing potentially deadly temperatures.
Physicists had a bright idea: Make light into swirling, ring-shaped vortices, similar to smoke rings or bubble rings.
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.
Two black holes merged into one, and then sped off at around 5 million kilometers (3.1 million miles) per hour.
An atmosphere is an envelope of gas around a planet, dwarf planet or moon.
Scientists hope that capturing carbon dioxide this way will limit both further warming of our planet and an escalation of extreme weather events.
Such mountain sway data can help planners map high-risk zones for peaks, bridges or any large structures.