Lead, a Global Poison

When asked what has surprised them most during their careers investigating lead poisoning in the United States and beyond, experts at the AAAS annual meeting echoed the same sentiment: the misconception that we’ve gotten rid of it. .

By AAAS, USA.

Technology Policy Resource.

Machines That Communicate With the Body

An “electronic tattoo” the size of a postage stamp and the thickness of a human hair can be used to monitor laboring women and seizure-prone infants, because it provides a non-invasive way to track the electrical rhythms on the surface of the body, according to Todd Coleman of the University of California, San Diego. .

By AAAS, USA.

Technology Policy Resource.

For Better and Worse, Chimpanzee Minds Are Much Like Ours

Ayumu the chimpanzee didn’t hesitate. Shown the numbers one through nine on a computer touch screen, he tapped the numerals in order, even after two through eight had disappeared behind white squares within a fraction of a second. The human audience watching a video of this performance began to murmur as they tried and failed to keep up with the fast-fingered chimp. .

By AAAS, USA.

Technology Policy Resource.

Science: Evidence Shows That Cosmic Rays Come From Exploding Stars

Data collected by the Fermi Space Telescope provide conclusive evidence that supernovae are the source of the speedy, energetic particles called cosmic rays, an international research team reports. .

By AAAS, USA.

Technology Policy Resource.