Documents have been released in the investigation of George Zimmerman's shooting of Trayvon Martin. Zimmerman, a neighborhood watch captain, shot Martin, an unarmed teen. He's claiming self-defense. Robert Siegel talks to Greg Allen.
The law grants physicians access to information about trade-secret chemicals used in natural gas drilling. Doctors say they need to know what's in those formulas in order to treat patients who may have been exposed to the chemicals.
But the new law also says that doctors can't tell anyone else — not even other doctors — what's in those formulas. It's being called the "doctor gag rule."
A huge trove of documents has been released by prosecutors in the Trayvon Martin case. Among the biggest revelations so far is that the autopsy reveals Martin had THC in his system. But police said the shooting was "ultimately avoidable."
Back when the dinosaurs ruled the Earth, some hardy bacteria took up residence at the bottom of the Pacific Ocean. Eighty six million years later, they're still there. And a new study says they're living out the most Spartan lifestyle known on this planet.