RSS Feed

Beer-Tapping Physics: Why A Hit To A Bottle Makes A Foam Volcano

So you know how, if someone comes by and taps the top of your open beer bottle, a volcano of brewski will explode? Well, it turns out that the physics involved are the same as what causes an atomic bomb to form a mushroom cloud. A scientist explains how it works.
WAMU 88.5

Chef Jose Andres: At Home And Abroad

Chef Jose Andres is known for cuisine that's one part tradition, one part science experiment, earning him numerous awards and accolades. We talk with Andres about his journey -- both personal and culinary -- thus far, and where he's heading next.


Al Gore Goes Vegan, Following In Footsteps Of Bill Clinton

Bill Clinton went vegan as a radical attempt to reform his health. But Gore has been cutting back on meat since 2009, out of concern about the impacts of animal production on climate change.

Born Wet, Human Babies Are 75 Percent Water. Then Comes Drying

A fresh tomato is 93.5 percent water. A fresh baby girl or boy is 75 percent water. A banana, 74 percent. We all start wet, and then, inevitably, dry. A 1-year-old baby carries 10 percent less water; a male adult 15 percent less. Life is a slow evaporation, with some curious exceptions.

Comet Fans Psyched For A Celestial Feast On Thanksgiving Day

Astronomers will turn skyward to glimpse ISON, an unusual comet from the outermost edge of our solar system that is now plunging toward the sun. ISON could yield clues to the formation of the solar system, and may become visible to the naked eye in December — if it survives.

What's In It For U.S. To Cut Greenhouse Gas Emissions?

With more and more carbon dioxide spewing from China, India and other rapidly growing nations, some people are asking why the U.S. should bear the expense involved in slashing our own emissions.

U.S. May Be Producing 50 Percent More Methane Than EPA Thinks

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.

Yes, Your Toddler Really Is Smarter Than A 5-Year-Old

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.

FDA Tells Google-Backed 23andMe To Stop Selling DNA Test

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.

An Omnivore's Dilemma: Would You Eat Michael Pollan Microbe Cheese?

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.