Parasomnias are the class of sleep disorders associated with abnormal sleeptime behavior. One of the most common examples of parasomnia, for example, is somnambulism (better known as sleepwalking).
Using nanotech devices sensitive to voltage, scientists at the University of Michigan have discovered that cancer cells in the human brain have electrical fields that are stronger than those in lightning bolts. (You can see a top view of the nano gadget at left.) [Technology Review]
Freaky storage devices for your…