Meet the world's most venomous fish

Sep. 21, 2011
In last week’s episode, we talked to Leo Smith about his work with venomous fish and the promise they may hold for medical science. It turns out that there are more venomous fish than any other kind of animal, far more than snakes and scorpions combined.

Inside Chicagoland's biodefense lab

Sep. 14, 2011
Just a week after the September 11th attacks, nerves still raw, America was hit with its worst-ever biological attack. The anthrax letters set off a new wave of panic, and reminded scientists how little we understand some of the world’s most dangerous germs.