Leprosy was one of the last things on dermatologist John Abide 's mind when a 78-year-old man walked in for a screening at the doctor's Greenville, Miss., practice. Unbeknownst to the man, two large red bumps had formed on his back.
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Feed SubscriptionDirt Poor: Have Fruits and Vegetables Become Less Nutritious?
Dear EarthTalk : What’s the nutritional difference between the carrot I ate in 1970 and one I eat today? I’ve heard that that there’s very little nutrition left. Is that true?
Read More »Werner Herzog on the "Cave of Forgotten Dreams"
Set for theatrical release in only a few days, the 3-D documentary "Cave of Forgotten Dreams" explores the famed Chauvet Cave in Southern France. Scientifc American interviewed director Werner Herzog (Grizzly Man, Rescue Dawn) about the film
Read More »Urban Birds Boast Big Brains
Cities have a lot to offer: theater, music, restaurants, birds. Yes, birds.
Read More »Recession briefly axed greenhouse gases in 2009
By Alister Doyle, Environment Correspondent OSLO (Reuters) - Recession drove industrialized nations' greenhouse gas emissions down 5.6 percent in 2009 but analysts said the plunge may be a brief, misleading sign of progress in slowing climate change.
Read More »Fukushima Meltdown May Mean Tighter Rules for Spent Nuclear Fuel in U.S.
Japan's nuclear plant crisis with the radioactivity contamination from spent fuel pools is likely to put an overdue spotlight on stalemated U.S. policies for managing reactor fuel, authors of a Massachusetts Institute of Technology report on the nuclear fuel cycle said yesterday.
Read More »Superfetation: Pregnant while already pregnant
Some weeks back, I came across a case report published in 1999 in the journal Ultrasound in Obstetrics and Gynecology [1].
Read More »Flexible, rolling robot copies caterpillar’s escape mechanism [Video]
Robots inspired by nature are nothing new--in addition to all the humanoid bots out there, roboticists have mimicked numerous other animal species, for instance with the uncannily canine BigDog robot . [More]
Read More »Science on the White House Lawn
“Ooh, science!” said the mom, two little ones in tow. “We like science!” I was at the Lawrence Hall of Science station during the annual Easter Egg Roll at the White House yesterday, a tradition since 1878.
Read More »Code rage: The "warrior gene" makes me mad! (Whether I have it or not)
Just when you think the blame-it-on-our-genes craze can't get worse, the "warrior gene" goes viral. The latest media outlet to flog it is the Dr. Phil show, which on April 4 broadcast " Born to Rage?
Read More »Protect yourself from the confidence man’s moonshine
With the rising popularity of the radio and increased interest in broadcasting, Scientific American began running a section called “Radio Notes” which appeared monthly. [More]
Read More »Ferry Tale: Fire Ants Aggregate into Living Rafts to Escape Floods
If you're ever pursued by a colony of fire ants , it might occur to you to try to escape their painful, itchy stings by diving into the nearest body of water. Wrong move. It turns out that thousands of fire ants can easily self-assemble into a waterproof raft, which can float on water for months.
Read More »Historic Drought Sets Texas Ablaze and May Last into Summer
Wildfires have burned about 1.5 million acres in Texas since January, egged on by a drought that federal forecasters say is the worst to hit the state in 45 years. Officials with the National Oceanic and Atmospheric Administration say their weather models predict the severe drought that has parched the southern United States will continue to midsummer -- and beyond. "Predictions over weeks to one to three months suggest the drought will continue, and even intensify, in some areas as we struggle to get any rainfall," said David Brown, director of climate services for NOAA's Southern Region
Read More »Nuclear Agency Faces Reform Calls
By Geoff Brumfiel of Nature magazine From the name, one might expect the International Atomic Energy Agency (IAEA) to have been a major force in the response to the Fukushima nuclear crisis in Japan. [More]
Read More »Man discovers a new life-form at a South African truck stop
Like many biologists, the German biologist Oliver Zompro spends thousands of hours looking at specimens of dead animals. He found his first new species when he was twenty. By the age of thirty he had named dozens of wild new forms.
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