The detached bursts of brilliance might explain why the lowest point of a lightning bolt will sometimes suddenly brighten by up to 50% and double its speed as it hurtles to Earth.
Megan Gannon is a freelance science journalist from New York, currently based in Berlin, Germany. Her writing has appeared in Scientific American, Newsweek, and Atlas Obscura, among other publications. She previously worked as a news editor for Live Science and Space.com.
Arctic Sea Ice Extent May Shrink Below 2012 Record Low
Satellite data, field measurements, and readings from "snow buoys" reveal ice thickness patterns similar to those preceding the lowest recorded sea ice extent, which was reached nearly 4 years ago.
New Climate Studies: Worse Risks at 2°C Rise, Higher Rise Likely
Although the Paris agreement scheduled to be signed 22 April aims for a 2°C warming cap, new findings show that even a 1.5°C rise will hit glaciers hard.