Aug 18, 2009 | 13
Mining is the second most dangerous occupation in the U.S., averaging roughly 27 deaths for every 100,000 workers per year. That's nearly nine times higher than the overall fatality rate for U.S. industry as a whole, according to data from the U.S. Census Bureau (pdf).
So it stands to reason that energy derived from renewable resources such as the sun and wind might cause fewer workplace deaths than energy industries—coal, oil and natural gas—that rely on mining, drilling and otherwise extracting fossil fuels. And that's exactly what doctors from Medical College of Wisconsin and Duke University Medical Center found in an analysis published in JAMA The Journal of the American Medical Association on August 19.
Feb 6, 2009 | 16
There's a new kind of meat that's getting a lot buzz Down Under these days. Word is it's better for the planet. Or at least that's what scientists argue in a paper published in the journal Conservation Letters. Instead of feasting on the meat hacked out of "introduced ruminants" (read: cows and sheep), Australians should be enjoying the high-protein, low cholesterol steaks carved out of kangaroos.
No need to worry that the hopping marsupials are endangered, actually they're thriving out of control in some places, say researchers, thanks to the same grassland rid of trees and other vegetation to make pasture for cattle. More importantly, the jumpers don't belch or give off as much gas as cows do, because of bacteria in their stomachs that aid the digestion of grass (savvy Australian researchers are working on transferring said bacteria to cattle even as I write).
Deadline: Jul 15 2013
Reward: $5,000 USD
SciBX: Science-Business eXchange, a joint publication from the makers
Deadline: Jun 29 2013
Reward: $7,000 USD
The Seeker for this Challenge desires proposals for chemical methods that could rapidly degrade a dilute aqueous solution
Save 66% off the cover price and get a free gift!
Learn More >>X