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wefuckinglovescience:

Thor’s hammer was supposedly forged from the core of a dying star. If true, exactly how heavy does that make it?
Find out here: http://bit.ly/1s0Ewzf

wefuckinglovescience:

Thor’s hammer was supposedly forged from the core of a dying star. If true, exactly how heavy does that make it?

Find out here: http://bit.ly/1s0Ewzf

hiimjosephfink said: Why does mint feel cold and chiles feel hot?

scishow:

So, the way we experience…pretty much everything is via proteins and ion channels. Very basically…there are proteins that are designed to sense certain things….the presence of sugar, whether they’ve been struck by light, the concentration of CO2 in the blood. When they sense those things, they open an ion channel changing the electrical charge of the cell, which then get transferred through the nervous system to the brain where that area of the brain is like “Cool…we’ve got sugar…or light…or too much CO2 in the blood.”
Well, sometimes these proteins can be fooled. A chemical will, just by chance (or by natural selection) be able to bind with that protein and cause that whole cascade to occur without the real stimulus. This is what happens with menthol in mint and capsaicin in peppers. Those chemicals bind to the cold / hot receptors respectively, fooling your body into thinking that something cold / hot is happening in your mouth. Pretty cool.
-Hank

corporateaccount:

iowa is the only state that consists entirely of vowels

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