r/askscience

: "What happen when Human Hand Roast in high temperature like soft skin roasted chicken everyone eat? Can be human skin recoverable?"

: "How long does the immune system’s “memory” last?"

: "Why are marine animals so large?"

: "Why is a Portuguese Man O' War considered to be a colony and not a single animal?"

: "Why are gasses like Xenon used in Ion Engines if their ionization energy is so high?"

: "Our mountain of snow on our front lawn has peaked at about 9ft, I think (wish I could post a picture). When I throw more snow to the peak, it now just tumbles down the sides. Given a fixed lawn area, is there a way to calculate if it can go higher?"

: "Conventional wisdom holds that if you're feeling thirsty, you're already dehydrated. But hunger doesn't work the same way. Also, this seems suboptimal - shouldn't your body send Thirst Signals before you become dehydrated? Why is the human body overly conservative with Thirst Signals?"

: "Between Energy Drinks and coffee which is generally considered to be healthier and more effective to get energy to study or workout?"

: "Between energy drinks and Coffee which is generally considered to be healthier and more effective to get energy to study or workout?"

: "If we speed up the orbit of the Moon, will it maintain that new speed indefinitely?"