Earth
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Climate
El Niños may inflame civil unrest
Weather extremes associated with this climate phenomenon appear to double the risk that conflict will erupt in any given year.
By Janet Raloff -
Earth
Magnitude 5.8 earthquake hits Virginia
The region's largest tremor in recent history hit northwest of Richmond, felt over much of the East Coast.
By Devin Powell -
Earth
Earth & Environment
Antarctic ice flows, atmospheric response to nuclear fallout and more in this week's news.
By Science News -
Earth
Stature’s heightened risk of cancer
My daughter is always shopping for 4-inch heels or other elevating footwear to make her appear taller. But a new study suggests that diminutive stature has at least one major perk: a lower risk of cancer.
By Janet Raloff -
Tech
Growing need for space trash collectors
On April 2, for the fifth time in less than three years, the International Space Station fired its engines to dodge a piece of orbital debris that appeared on a collision path. Other spacecraft also regularly scoot out of the way of rocket and satellite debris. Such evasive action will be needed increasingly frequently, a new study finds.
By Janet Raloff -
Earth
Earth & Environment
Methane from rice, killer fungus and more in this week’s news.
By Science News -
Humans
Big fish return to Mexican marine park
Most effects of overharvesting reversed within a decade.
By Janet Raloff -
Tech
Sparing the rare earths
Potential shortages of useful metals inspire scientists to seek alternatives for magnet technologies
By Devin Powell -
Humans
Bag lunches invite disease, study finds
“Sack” lunches often pose a ticking bacterial bomb, a new study indicates. And including an ice pack or two — ostensibly to keep perishables at safe temperatures — won’t necessarily eliminate the risk.
By Janet Raloff -
Earth
Earth/Environment
Ancient monster eruption found, plus balancing sea ice, Bt-resistant beetles and more in this week’s news.
By Science News -
Life
Bacteria binged on BP oil but didn’t grow
Researchers suspect the spilled crude didn’t provide a balanced diet.
By Janet Raloff -
Earth
Marine microbes prove potent greenhouse gas emitters
Earth’s oceans emit an estimated 30 percent of the nitrous oxide, or N2O, entering the atmosphere. Yet the source of this potent greenhouse gas has puzzled scientists for years. Bacteria — long the leading candidate — can generate nitrous oxide, but the seas don’t seem to contain enough to account for all of the nitrous oxide that the marine world has been coughing up. Now researchers offer a better candidate.
By Janet Raloff