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Space is Spicy!

When floating in space, the body's fluids gather in the head. (On Earth, fluids are dragged downward by gravity.) This upward mobility of bodily fluids ends up giving astronauts more circular, cartoonish-looking faces. "We call it Charlie Brown phase," says Michele Perchonok of NASA's food science program, "because their faces have gotten more round." Astronauts confirm that zero gravity "can spur cold-like symptoms."

Hot sauce helps astronauts clear up their congestion. When your sense of smell is blocked, your sense of taste is dampened, too. So the spicier your food, the more likely you are to actually taste it.

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