Brightsurf Science News & Current Events

December 23, 2007
Where and why humans made skates out of animal bones
Archaeological evidence shows that bone skates (skates made of animal bones) are the oldest human powered means of transport, dating back to 3000 B.C.

Gold nanoparticle probes may allow earlier cancer detection
Using tiny gold particles embedded with dyes, researchers have shown that they can identify tumors under the skin of a living animal.

Sleep chemical central to effectiveness of deep brain stimulation
A brain chemical that makes us sleepy also appears to play a central role in the success of deep brain stimulation to ease symptoms in patients with Parkinson's disease and other brain disorders.

Study suggests some brain injuries reduce the likelihood of post-traumatic stress disorder
A new study of combat-exposed Vietnam War veterans shows that those with injuries to certain parts of the brain were less likely to develop post-traumatic stress disorder.

Two 'noses' are necessary for flies to navigate well
By developing a new method to
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