Almost all lead is recycled, among the only elements on the periodic table to earn that distinction. With good reason, mind you: the soft metal is a potent neurotoxic known to impact children's brain development, among other nasty health effects.
Two teams of researchers have extended the reach of quantum teleportation to unprecedented lengths, roughly equivalent to the distance between New York City and Philadelphia.
Irrigation has helped farmers feed a population that has now reached 7 billion people. But in many places farmers have overused underground aquifers that have taken thousands of years to form, drawing down the fossil water much faster than it can be replaced.
If I had to pick the hottest topic in paleoanthropology right now, I’d say it’s the origin and early evolution of our genus, Homo. Researchers know quite a bit about our australopithecine predecessors (Lucy and her ilk) and about later phases of Homo’ s evolution.
Last May, a University of Alabama graduate student was the first person to collect an oblong rock snail in over 70 years. The species, Leptoxis compacta , hadn't been observed since 1933 and was declared extinct in 2000.
There has been fierce debate recently over whether the original "caveman" diet was one of heaps of bloody meat or fields of greens. New findings suggest that some of our early ancestors were actually quite omnivorous.
Now that NASA's "seven-minutes of terror" have passed safely, the Mars Curiosity rover's exploratory mission is off and running. Over the next two years—probably more, if it's anything like the Opportunity or Spirit rovers—the Jeep-sized rover will explore its new home using a variety of tools.
Jill, a 60-year-old woman in Milwaukee, has overcome extreme poverty. So, now that she has enough money to put food in the fridge, she fills it. She also fills her freezer, her cupboard and every other corner of her home.
U.S. swimmer Dana Vollmer's record-setting performance in London in the 100-meter butterfly is sure to be a model for aspiring Olympians. Vollmer's edge in butterfly competition comes from her uncanny ability to closely mimic the underwater undulation and kick of nature's greatest swimmer—the dolphin.The 24-year-old Syracuse, N.Y., native worked with a team of motion-capture video specialists from New York University (N.Y.U.) prior to the 2012 Olympic Games to analyze her kick, grab and recovery as she cuts through the water and found the similarities striking.
The latest evidence that average temperatures are increasing around the globe comes from the deepest parts of the ocean, Dr. James McCarthy of Harvard University told a Senate committee hearing on climate change on Wednesday.
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