Scientists find that rice grown under elevated carbon conditions loses substantial amounts of protein, zinc, iron and B vitamins, depending on the variety.
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An employee of the U.S. government in Guangzhou, China, has reported mysterious symptoms similar to those experienced by State Department employees in Cuba. Here, the U.S. Consulate in Guangzhou.
U.S. Department of State
Patients in the study had "significantly lower out-of-pocket costs — on the average, $500 — when they visited a physical therapist first," says Bianca Frogner, a health economist at the University of Washington.
DNA isolated from a small sample of saliva or blood can yield information, fairly inexpensively, about a person's relative risk of developing dozens of diseases or medical conditions.
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The Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) mission, shown in an artist's rendering, will measure tiny fluctuations in Earth's gravitational field to show how water moves around the planet.
Mike Stone, left, and Andy Sherman in the pumping station for Hannibal, Mo., during a flood in 1993. The city has since constructed a flood wall, and flood managers have built up levees to protect against flooding. But scientists warn those structures are making flooding worse.