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 ...

dateJun 13, 2011 in Engineering
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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 ...

dateJun 13, 2011 in Other
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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.

dateJun 13, 2011 in Earth Sciences
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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 ...

dateJun 13, 2011 in Astronomy
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A new, distant arm of the Milky Way galaxy

(PhysOrg.com) -- Our Milky Way galaxy, like other spiral galaxies, has a disk with sweeping arms of stars, gas, and dust that curve around the galaxy like the arms of a huge pinwheel.

dateJun 13, 2011 in Astronomy
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Research improves the bolted joints in airplanes

A research project at Universidad Carlos III de Madrid that analyzes the bolted joints used in the aeronautical industry has determined the optimum force that should be applied so that they may better withstand ...

dateJun 13, 2011 in Engineering
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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 ...

dateJun 13, 2011 in Space Exploration
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Island of broken figurines

(PhysOrg.com) -- Why were Bronze Age figurines smashed, transported and buried in shallow pits on the Aegean island of Keros? New research sheds light on a 4,500-year-old mystery.

dateJun 13, 2011 in Archaeology & Fossils
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Germany advises against homegrown sprouts

(AP) -- Authorities are advising Germans not to eat raw homegrown sprouts, pointing to suspicions that the seeds may be one cause of the country's deadly E. coli outbreak.

dateJun 13, 2011 in Health
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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 ...

dateJun 13, 2011 in Plants & Animals
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