Earth
- Climate
Crop nutrients may drop as carbon dioxide rises
Many staple grains and legumes pack 5 to 10 percent less iron, zinc and protein when grown at carbon dioxide levels expected midcentury.
- Climate
Federal report details climate change in U.S.
The latest National Climate Assessment was released by federal officials May 6.
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- Animals
Some birds adapt to Chernobyl’s radiation
Some birds seem to fare well in and near the Chernobyl exclusion zone, but overall the nuclear disaster has been bad news for the region’s bird populations.
- Environment
Prestige oil spill linked to drop in seabird chicks
European shag in colonies affected by the 2002 Prestige oil tanker spill produced fewer chicks than birds in oil-free colonies.
- Climate
Glacial microbes gobble methane
While some bacteria produce methane in Greenland’s melting ice sheet, others may consume the greenhouse gas as it escapes.
- Animals
Secrets of a sailfish attack
The large, long-nosed sailfish use their rostrums more like a sword than a spear to attack prey.
- Environment
Lead levels in ancient Rome’s water were high, but not toxic
Ancient Romans probably drank tap water with up to 100 times more lead than the levels found in local spring water.
- Earth
Surge seen in number of U.S. wildfires
The number and size of wildfires in the western United States has steadily risen over the last three decades.
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- Health & Medicine
Triclosan aids nasal invasions by staph
The antimicrobial compound triclosan, commonly found in soaps and toothpaste, may help Staphylococcus aureus stick around.
- Earth
Huge space rock rattled Earth 3 billion years ago
An asteroid almost as wide as Rhode Island may have plowed into Earth 3.26 billion years ago, leaving a trace in South Africa’s Barberton greenstone belt.
