r/askscience - Page 13

414 words How did the vast homogeneous looking sand formed in the Sahara desert? Can Sahara revert to a tropical lush forest if the continental drift the Sahara to the equator? 293 words When pain killers stop pain, do they stop pain from being sent, or block pain receptors so we just don't feel it? 258 words Why does the Human body reject transplanted organs /tissue and proceed to destroy them but it doesn't kill parasites like worms ? 472 words Will memorizing facts increase hippocampal size? 355 words Why do we get allergies? Is there an evolutionary reason/benefit for why they exist? 293 words How do marine mammals heal lacerations that cause them to bleed? 401 words What is the Higgs boson made of? 573 words Is there a theoretical distance at which objects in the universe would be unobservable because the likelihood of a photon from it hitting us is so small? 332 words What's the limiting factor for electron microscopes' resolution? 558 words Does the human brain operate like an algorithm when trying to remember something? 302 words When does weight loss from cardio exercise happen? 338 words How do neurons respond to different neurotransmitters? 382 words Does the human brain operate like an algorithm when trying to remember something? 316 words What's so strange about the strange quark ? 491 words Why do the states of matter change at defined temperatures instead of a gradual change from one to the other? 278 words Could there be bacteria in landfills right now evolving to digest plastics? 406 words If caterpillars turn to "soup" during metamorphosis, how can butterflies possibly remember what they learned as caterpillars? 516 words How did animals evolve from laying eggs to giving live births? 695 words What is carbon fiber and why is it so strong? 590 words Is it possible to voluntarily control your own heartbeat like we can control our breathing?