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Nanofiber Danger

September 21, 2012
Nanofibers are have diameters that are less than 1000 nm nanometers wide. They're found in athletic clothes and shoes, as well as rainwear, since they "wick" away sweat and water. They're also found in napkins, cosmetics, and baby diapers, as... continued

The Police State Creeps Closer

September 21, 2012
Several worrisome laws that restrict our freedom have been passed recently and now Apple has patented technology which would allow governments and police to block transmission of information, including video and photographs, from any public gathering or venue they deem... continued

Robot Fish Swimming in Our Seas

September 21, 2012
Drones are all around us, in the sky (and now) in the water too. The next time you go fishing, you may pull out a robot, because the Department of Homeland is developing an unmanned underwater vehicle that looks like... continued

Your Experiences Change Your Brain

September 20, 2012
Lots of things change our brains (NOTE: Subscribers can still listen to these shows). Changes in sensory experience can cause massive rewiring of the brain, even as one ages. This rewiring involves fibers that supply the primary input to the... continued

Poisoned Rice

September 20, 2012
A Consumer Reports investigation of over 200 rice products revealed "significant" and "worrisome" amounts of inorganic arsenic in nearly every rice product they tested and urged consumers to scale back on their eating of rice products. They also asked the... continued

Only 4 Years Left?

September 20, 2012
One of the world's leading ice experts has predicted the final collapse of Arctic sea ice in summer months within four years. That's earlier than the Earth's predicted demise in December of 2012, but it could be a major cause... continued

Men and Women See Things Differently

September 19, 2012
They really do! A new study reveals that the way that the visual centers of men and women's brains works is different: Men have greater sensitivity to fine detail and rapidly moving stimuli, but women are better at discriminating between... continued

Are We Controlled by Our Genes?

September 19, 2012
It's actually the opposite: A new study demonstrates that our genes are controlled by our culture and environment. Here's an example: In the Wall Street Journal, Matt Ridley writes: "All mammals can digest lactose sugars in milk as babies, but... continued

Will New York Drown?

September 19, 2012
With glaciers melting due to rising temperatures, ocean levels are rising too, and this worries coastal cities. With a 520-mile-long coastline, lined with everything from public beaches to skyscrapers, New York City is facing threats posed by rising seas and... continued

After You Get That Shot, Go to Sleep

September 18, 2012
Time to get that flu shot! When you get a vaccination during the day, consider taking a sleeping pill before you go to bed that night, because a new study shows that poor sleep can reduce the effectiveness of vaccines.... continued