A warning label on a water heater.
March 28, 2013 Manufacturers of water heaters agreed in 1988 to set all heaters at 120 degrees Fahrenheit to help reduce tap water burns. But burn rates haven't declined much, so a scientist wanted to find out why.
The shrimp boat Endless Grind trawls for shrimp off Dauphin Island, Ala., in May 2012.
March 7, 2013 Commercial fishermen have the highest rate of on-the-job fatalities of any occupation in the country. The winches that shrimpers use to pull in their nets pose particular hazards, an analysis of deaths and injuries finds.
Randy Moss of the 49ers glides down the field, under an arcing football, on his way to a touchdown against the Patriots on December 16, 2012.
Jared Wickerham/Getty Images
February 1, 2013 Football may be dangerous. But the Super Bowl is a spectacle of beauty. It is an opportunity for us to adore the magnificent achievement of courageous men. That's why philosopher Alva Noë will be watching.
First the kids pile in, then the bouncing begins.
Nationwide Children's Hospital
November 26, 2012 The wildly popular mosh pits for the school-age set have become a common source of injuries that send kids to the hospital. Doctors call for safer designs for inflatable bouncers and better guidelines for their use.
Inglewood High School cheerleaders perform in front of the Space Shuttle Endeavour as it is transported through the streets of Inglewood and Los Angeles on October 13.
ROBYN BECK/AFP/Getty Images
October 22, 2012 The flips, pyramids, and tosses that make modern-day cheerleading so eye-popping make it far more risky than the splits-on-the-sidelines version that parent remember.
October 17, 2012 Researchers say falls often happen when the elderly are not using a walker or wheelchair. Though 75 percent of patients in a recent study used one to get around, only 20 percent were using one when they fell.
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