Emory Maiden / Flickr - Creative Commons

A bill to revamp sex education classes for Colorado students initially passed the house Tuesday after a rigorous debate.

We all know what fueled the sexual revolution: birth control and rock 'n' roll.

But what if that's not the whole story? What if America's libido was liberated not by the pill and heady doses of Jim Morrison, but by the lowly prescription drug penicillin.

Before penicillin was found to be effective against syphilis during World War II, sex brought with it the risk of syphilis, a disease that can cause blindness, dementia and paralysis.

Where There's 'Sexting, 'There May Be Sex

Sep 17, 2012

How many teens are sending sexual photos or texts by phone? And what else are they doing?

Researchers surveyed nearly 2,000 high schoolers in Los Angeles to find out. Among kids who had cellphones or access to them (and that cover almost all of them), about 15 percent reported "sexting."