Andrew Schwartz: Brain Control for Artificial Limbs

In this week’s Bloomberg Businessweek;

Until the 1980s, scientists believed the brain interacted with limbs in a fairly rote, mechanical way: Certain neurons lit up when corresponding muscles moved. Schwartz was part of a Johns Hopkins University research team that found the brain was actually expressing an intentional behavior, like turning a doorknob, that he could read in the neuron’s electrical signals. “When you watch someone dancing … there’s a sort of beautiful coordination and precision and athleticism incorporated in the movement,” he says. “Those are the kinds of things we could find in this cortical activity.”

via Andrew Schwartz: Brain Control for Artificial Limbs

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A New Tanning Salon Lobby Asks: What Cancer Risk?

Enter a new trade group for salon operators, the American Suntanning Association, that wants to “combat myths” and counter “misinformation” about tanning risks, according to a news release introducing the group. … “It’s really been a subjective emotional process, in our opinion.”

via A New Tanning Salon Lobby Asks: What Cancer Risk?