Quick Take The blue-ringed octopus has extremely potent venom, capable of killing a human victim. These octopuses contain a neurotoxin known as tetrodotoxin, one of the strongest toxins in marine ...

Discovered: DNA half-life makes Jurassic Park impossible; legalizing assisted suicide doesn't make everyone want to die; look at this venomous blue-ringed octopus; cellular findings earn Nobel.

From the octopus that walks on land to another that grows its own ‘lifejacket’, discover these unusual species ...

TACOMA, Washington -- It started as a fun picture and ended with a venomous octopus biting a woman's face. Jamie Bisceglia met up with some fishermen who had hooked an octopus during a fishing derby ...