Teens
often opt for doing something they once found rewarding, even if it no
longer is. One implication: They may opt for texting or social
networking, even when they know should be focused on other things.
Elenathewise/iStockphoto
Friday, November 7, 2014
Explainer: What is C. difficile?
These bacteria, called Clostridium difficile,
can be deadly. Scientists have developed a new and effective treatment
that uses beneficial bacteria found in the feces of healthy people.
CDC/Janice Carr
A Cane that Can See
Raghav
Ganesh, who lives in San Jose, Calif., invented a sensor package (white
box attached to cane) that alerts blind people when knee-high obstacles
are in their path.
P. Thornton/ SSP
Cleaning with Greens
Toxic
waste contaminates sites such as this one in Edgewater, N.J. Scientists
have now tinkered with the genes in some plants. This allows those
greens to help clean up the pollution.
EPA
Coping In A Drier World: California's Drought Survival Strategy
Water sits in the the Delta-Mendota Canal in February 2014 in Los Banos,
Calif. As the California drought continues and farmers struggle to
water their crops, officials at the U.S. Bureau of Reclamation have
announced that they will not be providing Central Valley farmers with
any water from the federally run system of reservoirs and canals.
Justin Sullivan/Getty Images
Cause of California Drought Linked to Climate Change
Credit: NOAA
The drought crippling California is by some measures the worst in the state's history.
Why Travel Bans Will Only Make the Ebola Epidemic Worse
A man dressed in protective hazmat
clothing leaves after treating the front porch and sidewalk of an
apartment where a Texas nurse diagnosed with the Ebola virus lives.
Mike Stone/Getty Images
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