Small birds capitalize on weather patterns during epic migrations

(Phys.org) —In one of the greatest feats of endurance in the biological world, millions of tiny songbirds—many weighing less than an ounce—migrate thousands of miles to Central and South America each year. Now scientists ...

National survey finds frog abnormalities rare

A 10-year study shows some good news for frogs and toads on national wildlife refuges. The rate of abnormalities such as shortened or missing legs was less than 2 percent overall—indicating that the malformations first ...

Image: Winter storm across central United States

(Phys.org)—In late February 2013, a major snowstorm made its way across the continental United States, dropping snow from Colorado to the Great Lakes region. The National Weather Service reported snow totals of five to ...

Lawsuits against EPA target nutrients in US waters

(AP) -- Environmental groups are suing the Environmental Protection Agency to force the federal government to curb an overdose of nutrients from farms and cities that end up in the nation's rivers, lakes and coastal waters. ...

Confirmed: Sunflower domesticated in US, not Mexico

New genetic evidence presented by a team led by Indiana University biology doctoral graduate Benjamin Blackman confirms the eastern United States as the single geographic domestication site of modern sunflowers. Co-authors ...

Forecast predicts biggest Gulf dead zone ever

Scientists predict this year's "dead zone" of low-oxygen water in the northern Gulf of Mexico will be the largest in history - about the size of Lake Erie - because of more runoff from the flooded Mississippi River valley.

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