BiologyELI5:So cells divide and create new ones. But eventually, after many repetitions, something in the cell division decays until we die. That's why we age and why we die. How come the same process of cell decay doesn't seem to apply when we are reproducing? (self.explainlikeimfive)
submitted by Cryogenicastronaut
PhysicsELI5: Why are objects in mirror closer than they appear? (self.explainlikeimfive)
submitted by GoatB0Y215
EngineeringELI5: How a CD/DVD/BD can be read even heavily scratched? (self.explainlikeimfive)
submitted by rBeowulf
PhysicsELI5: The sun's rays and why there's not a "circular ray" (self.explainlikeimfive)
submitted by thejack980