For example, dry ice. When you touch it, the temperature is so cold it burns. Same thing for hot, hot water. Skin, dude.
In: Biology
Hot and cold are felt by special cells that “tell” the brain when you are touching a cold or warm thing. When the stimulus is too big they both scream at your brain that things are not alright, which leads to what is called paradoxical cold or paradoxical warmth. The phenomenon isn’t completely understood, mind you, but experts think that since the pain screaming “guys” are hooked on the same lines to the hot and cold “guys” your brain kinda mixes it all up in more extreme cases.
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