How smoker's breath saved this caterpillar's life

Meet the tobacco hornworm, a caterpillar that regularly eats tobacco leaves loaded with nicotine. Research now shows this little bugger has a strange and unique defense against hungry spiders: It "puffs out" nicotine, creating a kind of toxic bad breath. » 12/30/13 1:20pm 12/30/13 1:20pm

Tobacco smoke enemas were like dialing 911 before the invention of the …

Like some merciless scatological phoenix, butt-chugging — or the art of funneling alcohol into one's keister for the express purpose of getting tore up extremely quickly — is back in the news again. But butt-chugging's sister technique, the tobacco enema, has been around for centuries, being foisted upon those who were … » 10/08/12 1:55pm 10/08/12 1:55pm

How many groups reached the Americas before Christopher Columbus?

In 1492, Christopher Columbus landed in what is now the Bahamas, changing the world forever. But was he first non-indigenous person to reach the Americas? Vikings got there before him, and possibly Polynesians too...and those are just the sane theories. » 3/30/11 9:22am 3/30/11 9:22am