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This is amazing! In a BBC nature documentary, Steve Leonard introduces viewers to some of the animal world's deadliest predators. In this clip, he places a drop of snake venom in a cup of blood. Watch what happens to the blood within seconds.
-via Blame It on the Voices
BTW, props to the cameraman. Guy was pretty close to that snake being milked... I'd probably just have settled for a jittery zoom-in from far, far away...