Several bio-tech companies are developing exoskeletons that give people superhuman abilities. But these robotic suits are also doing something simpler: They're helping paralyzed veterans walk again.
Educators say the middle grades are a key time time to get kids jazzed about science, but many teachers say they lack the tools they need. In Chicago, a science museum is helping to fill the the gap.
Benzodiazepines like Xanax and Valium are among the most widely prescribed drugs in the U.S. Patients and addicts often mix them with prescription painkillers — sometimes to deadly effect.
In Missing Microbes, Dr. Martin Blaser argues that the overuse of antibiotics, as well as now-common practices like C-sections, may be messing with gut microbes.
Scientists have figured out one reason women might be more vulnerable to Alzheimer's: A risk gene doubles women's chances of getting the disease but has minimal effect on men.
Audie Cornish speaks with Fred Espenak, scientist emeritus at NASA Goddard, also known as "Mr. Eclipse," about the lunar eclipse that will happen Monday night.
Aquaculture in the U.S. has lagged because of opposition from environmentalists and people living on the coast. But entrepreneurs say they've found a way to produce fish on land with little pollution.