The illegal trade in elephant ivory is booming. African elephants are being slaughtered at rates exceeding the former peak in the late 1980s, before Convention on International Trade in Endangered Species, or CITES (pronounced SITE-ees), banned all trade in elephant products...
A comparison of ancient and contemporary footprints reveals that our ancestors were strolling much like we do some 3.6 million years ago, a time when they were still quite comfortable spending time in trees, according to a study which will be published in the March 22 issue of the journal PLoS ONE ...
The Large Hadron Collider, the so-called big bang machine outside Geneva, has eclipsed its own world record as the highest-energy particle accelerator in history.
The U.S. Department of Veterans Affairs (VA) is being fined for botching 97 of 116 procedures to treat prostate cancer among men seeking care at the agency's medical center in Philadelphia...
Biodiversity loss. Land use. Freshwater use. Nitrogen and phosphorus cycles. Stratospheric ozone. Ocean acidification. Climate change. Chemical Pollution.
As automakers ramp up their plans to put greener vehicles on the road, hydrogen storage has become a pivotal issue. Whereas it's been suggested that graphene could play an important role in retaining hydrogen for use in fuel cells and other technologies, a team of researchers at the National Institute of Standards and Technology (NIST) and the University of Pennsylvania in Philadelphia say they've found a way to configure graphene that enables it to hold 100 times more hydrogen molecules than a single layer of the carbon-based substance...
Once they're inside the female reproductive organs, sperm pull out all the stops to outrace their rivals to the egg—especially if the opponent comes from another male.
The 23,000 protein-coding genes in the human genome can help determine whether a person will have blond hair or black, flat feet or arched. But that's hardly the whole story behind the millions of tiny differences among people...
Builders and engineers must often choose between materials that are strong and those that are flexible—rarely will they find a substance with both properties in abundance.
Predecessors of the controversial "hobbit" ( Homo floresiensis ) discovered on the Indonesian island of Flores might have had a longer history there than researchers previously thought...
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