Earth
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Earth
Germy with a chance of hail
Aerial microbes can trigger precipitation and may influence global warming.
By Janet Raloff -
Earth
Earth/Environment
Earth’s iron heart can melt, plus Atlantic weather and more ice thinning in this week’s news.
By Science News -
Physics
Rogue waves captured
Re-creating tiny versions of these monster swells in a laboratory tank reveals their mathematical underpinnings.
By Devin Powell -
Life
Numbers flap has minor implications for global extinctions
A statistical technique used to estimate rates of species disappearance is flawed, two ecologists charge — but not enough to invalidate recent dire assessments.
By Susan Milius -
Humans
It’s time to put a price on carbon, NRC says
“It is imprudent to delay actions that at least begin the process of substantially reducing emissions [of greenhouse gases],” according to a May 12 report by the National Research Council. It didn’t get a lot of press play in the past week, perhaps because its 144 pages don’t say anything readers might not have expected this august body to have proclaimed years ago. But that shouldn’t diminish the significance of this report, its authors contend.
By Janet Raloff -
Chemistry
Melting icebergs fertilize ocean
Releasing extra iron into the water boosts carbon dioxide uptake by plankton.
By Janet Raloff -
Earth
Earth/Environment
Earthquake risk in Chile, plus an ancient Greek island and casino pollution in this week’s news.
By Science News -
Earth
Ozone hole on the mend
Researchers claim to see atmospheric healing more than a decade earlier than a detectable uptick was expected.
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Chemistry
Idling jets pollute more than thought
Oily droplets emitted by planes operating at low power can turn into potentially toxic airborne particles.
By Janet Raloff -
Life
Animals quickly colonized freshwater
Fossilized worm burrows show that life had moved beyond the oceans by 530 million years ago.
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Earth
Earth/Environment
So much for the man-sized snail, plus Indonesia’s quake risk, overheated reefs and more in this week’s news.
By Science News -
Life
Fungus strikes but doesn’t kill European bats
Organism that is devastating North American populations might have coevolved with hosts overseas.
By Janet Raloff