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How to Stop the Killing: Make it Legal

April 3, 2013
How to stop the illegal poaching that is killing off some horned animals? Make it legal! In the March 25th edition of the Guardian, Edna Molewa reports that South Africa's environmental affairs minister if backing a radical proposal to legalize... continued

Should We Replace Those Old Fillings?

April 3, 2013
Should we get our mercury-amalgam fillings replaced--or would it be easier just to grow new teeth? A common test used to determine mercury exposure from dental amalgam fillings may significantly overestimate the amount of the toxic metal released from fillings.... continued

To Frack–Or NOT to Frack

April 3, 2013
The question is almost Shakespearian: We would hate to give up fracking, since it's making us energy independent. But if this process of injecting water into shale in order to extract natural gas is setting off earthquakes, we have to... continued

Flowers Zap Bees

April 2, 2013
Flowers' methods of communicating are at least as sophisticated as any devised by an advertising agency, but for any advertisement to be successful, it has to reach, and be perceived by, its target audience. Pollinators such as bumblebees are able... continued

Spit!

April 2, 2013
Take a breathalyzer test to find out why you're fat--Take a spit test to find out why you're violent. A new study indicates that a simple saliva test could be an effective tool in predicting violent behavior such as bullying,... continued

Comet May Hit Mars in 2014

April 2, 2013
It may kick up enough red dust to set back planned missions to Mars by several years. On the Space.com website, Mike Wall reports that a newfound comet will give Mars a close shave next year, and there's a slim... continued

Fat? Take a Breathalyzer Test

April 2, 2013
How much a person eats may be only one of many factors that determines weight gain. A recent study suggests that a breath test profile of microorganisms inhabiting the gut may be able to tell doctors how susceptible a person... continued

Wearable Computers Make It Easy to Spy on You

March 29, 2013
The latest thing in technology is wearable computers: wristbands, watches and glasses. Google has invented glasses that incorporate both a computer screen and a camera, so that we can call up information with voice commands and capture an image of... continued

Asteroid on the Way? Pray

March 29, 2013
That's the (rather unscientific) advice to Congress from NASA chief Charles Bolden, who basically says that if a large asteroid heads towards a big US city--as it recently did in Russia--there's not much else we can do. He told them,... continued

Mystery Cloth

March 29, 2013
In 1998, Virginia artist Athalyn Rose found a large (9 X 15 foot) piece of muslin cloth. Gradually, Biblical images began to appear on it. The images were not painted on either side of this gigantic cloth, but are deeply... continued