You know that feeling when you're in a stressful situation and you just want to run away? That's when something amazing happens to our bodies. In a state of heightened excitement and psychophysical activity, adrenaline, the hormone of the adrenal gland, is released. How excited do we get when we touch a snake, how does a chess player use adrenaline to her advantage, how do horror movies affect our bodies, what happens when the adrenaline wears off...? More in the new Refreshment Front.