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.
The Food and Drug Administration has sent a warning letter to the company 23andMe demanding that its saliva test be taken off the market. The company claims the test can detect the genetic likelihood of more than a hundred diseases — a claim the FDA says the company has not proved sufficiently.
Making your own cheese and yogurt is all the rage these days. Now a scientist has taken the DIY craze to an entirely new level. She and an artist have made cheeses using the microcritters on their own skin, as well as those from famous folks. The curds are on display at a museum.
Once again, there's talk about a possible "comet of the century." Will ISON be a thriller or a dud? It's due to whiz by the sun on Thanksgiving Day. If it holds itself together after that, the comet could put on a stellar show in December.
Archaeologists have discovered the oldest wine cellar known, and the personal stash was massive: It once stored more than 500 gallons of vino. But these Bronze Age winemakers weren't just fermenting plain-old wine. They also got creative, infusing it with herbs and spices.
The U.S. lost an average of 80,000 acres of coastal wetlands from 2004 to 2009, according to recent government data. In a recent period, more than 70 percent of the estimated loss came in the Gulf of Mexico.
If the JFK assassination happened today, would we have the tools to crack the case? Ballistics experts Luke and Mike Haag apply 3D laser and Doppler technology to the crime scene for new insights into the "single bullet theory" and the "grassy knoll."
When you give to WAMU, your tax-deductible membership gift helps make possible award-winning programs such as Morning Edition, All Things Considered, The Diane Rehm Show, The Kojo Nnamdi Show, and other favorites.