A paralyzed man with a spinal cord injury to the C7 vertebrae is able to move his fingers again. Surgeons at Washington University School of Medicine rerouted working nerves in the patient's upper arms to restore some hand function. Dr. Ida Fox discusses the procedure described in the Journal of Neurosurgery.
Mark Zuckerberg is, among many other things, the highest-profile taxpayer on the planet today.
After today's Facebook IPO, Zuckerberg will owe nearly $200 million in California state taxes alone. That's "among the largest tax liabilities that a single individual has ever paid at a given point in time," says Jason Sisney of the California State Budget Legislative Analyst's Office.
Zuckerberg's profits will be taxed at a 10% rate in California. That's a much higher rate than in many other states.
President Obama's performance in Tuesday's Arkansas primary won't be as embarrassing as what happened in West Virginia two weeks ago, when he gave up 41 percent of the vote to someone who happened to be sitting in a federal prison in Texas for embezzlement.
But it may well do more lasting damage to his party.