And one scorpion produces, at the most, just two milligrams of venom at a time ... it so dangerous also happens to be the most expensive liquid in the world. This stuff costs $39 million per ...

Venom and poison can both be deadly, but they're two distinct natural weapons. The terms 'venom' and 'poison' are often used to mean the same thing: a toxic chemical produced naturally by an animal.

The venom from a deathstalker scorpion can be deadly ... and what makes it so dangerous also happens to be the most expensive liquid in the world. This stuff costs $39 million per gallon.

Steve Ludwin has been injecting himself with potent snake venom for decades. For the last 30 years, Steve Ludwin has carried out his controversial practice of collecting venom and injecting himself ...