Nearly half a million people have put their spit into a little tube in the last six years and sent that tube to a company called 23andMe. The company then genetically analyzes that saliva. The results are supposed to show customers how susceptible they are to more than 250 diseases. But the FDA now says the company hasn't proved the tests are accurate enough, and the agency is worried Americans are relying on the results instead of going to the doctor.
Dov Fox specializes in medical ethics at the University of San Diego School of Law. He says the FDA has given the company an ultimatum.
"This field of personalized medicine is really in its infancy, and its terrifically exciting what we might learn one day, but we're not there yet. 23andMe hasn't shown that their reports about your health from your genes alone are all that useful. They're just not accurate at this time in the way that the FDA requires."
At more than 50 pages, the summary report issued Monday gives an overview of findings from the investigation into the December 2012 shooting, while omitting controversial details such as 911 call recordings.
Previous estimates of the climate-warming gas were based on the rough number of methane-emitting sources on the ground — such as factories, refineries, stoves, swamps, landfills and cattle herds. But by directly measuring levels of methane in the air instead, a new study puts the total much higher.
Developmental psychologists are trying to figure out what very small children know and when they know it. The answer: a lot, and a lot earlier than you think. One experiment finds that 18-month-olds can reason abstractly when sorting blocks, well before they are able to explain it.
More older Americans are going online, but many seniors don't have the resources, devices or skills to navigate the Web. One pilot program is giving tablets and training to seniors to help them combat isolation while staying safe online.
The question of categorizing art by ethnicity or gender is at the center of a very public debate surrounding a new show at the Smithsonian called "Our America: The Latino Presence in American Art."
President Obama's weakened political standing and the upcoming 2014 elections complicate the future of the historic agreement with Iran.