Archive: 06/13/2011

Protecting medical implants from attack

Millions of Americans have implantable medical devices, from pacemakers and defibrillators to brain stimulators and drug pumps; worldwide, 300,000 more people receive them every year. Most such devices have ...

Jun 13, 2011 5 / 5 (2) 0 | with audio podcast

Chemistry never sounded this good

(PhysOrg.com) -- By now, the word is out at UCLA that undergraduates in Neil Garg's organic chemistry course produce clever, creative music videos as an extra-credit assignment. The bigger secret may be just how much chemistry ...

Jun 13, 2011 5 / 5 (2) 0 | with audio podcast

Ash clouds? You ain't seen nothing yet

The recent volcanic eruptions in Iceland upset airline bosses and caused a lot of fuss, but they were trivial by comparison with what could happen next, according to Clive Oppenheimer's new book.

Jun 13, 2011 3.7 / 5 (7) 3

Oh-My-God Particles

Cosmic rays are really sub-atomic particles, being mainly protons (hydrogen nuclei) and occasionally helium or heavier atomic nuclei and very occasionally electrons. Cosmic ray particles are very energetic ...

Jun 13, 2011 4.4 / 5 (15) 11

What’s up with Iapetus?

Although Saturn's moon Iapetus was first discovered in 1671 by Giovanni Cassini, its behavior was extremely odd. Cassini was able to regularly find the moon when it was to the west of Saturn, but when he waited ...

Jun 13, 2011 5 / 5 (4) 1

Birdsong independent of brain size

(PhysOrg.com) -- The brains of all vertebrates display gender-related differences. In songbirds, for example, the size of the brain areas that control their singing behaviour could be linked to the size of ...

Jun 13, 2011 3 / 5 (1) 0 | with audio podcast