Liquid nitrogen is safer than you might think.....

but don't drink it:

Naturally those around me were skeptical. "It will freeze your whole body. Remember Terminator 2?" But I was sure of myself. I had done it before, and I believed in the physics behind it. So I unhesitatingly poured myself a glass and took a shot. Simple. Swallow, blow smoke out my nose, impress everyone. Within two seconds, I collapsed to the floor,

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