Recently answered questions

  1. In junior high school, our science teacher demonstrated the difference between the surface tensio...(more)
  2. My question is regarding plate tectonics. Is there a possibility that the extreme meltoff that we...(more)
  3. How does the earth stay in the same place in space? (more)
  4. What type of salt melts ice the quickest? (more)
  5. I heard there was a woman named Rosy involved in the discovery of the DNA double helix. Who was s...(more)
  6. Why does salt melt ice? (more)
  7. Why is it easier to balance on a moving bicycle versus a stopped bicycle? (more)
  8. Why does Aspartame taste so sweet? What is the chemistry involved in something that tastes sweet? (more)
  9. Can extraterrestrial matter carry unknown viruses and fall down to Earth in a form of "space dust...(more)
  10. I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many ti...(more)

  11. What exactly is gravity? Is it a wave or a ray? What exactly is the attraction that makes grav...(more)

  12. In winter in very cold countries like Canada and Finland, most rivers, lakes and ponds freeze ove...(more)
  13. How can I tell the difference between Zinc and Aluminium metal? (more)
  14. This is an archery question. Does an arrow fly faster in the hot or cold? or... Does the hot or c...(more)
  15. How do scientists type your blood? How do they find out your blood type? (more)
  16. I've a question about solublity, water, and cyclohexanone. Water has a certain solubility in cy...(more)
  17. What is your personal view of global warming? Do you believe that humans are having a significant...(more)
  18. Should scientists have any moral responsibility in science? For example, do scientists consider t...(more)
  19. Whenever I drop a piece of cork, plastic or metal into a container of water, it always floats on ...(more)

  20. Nitrous oxide when used in motorsport is often classed as "forced induction" althoug...(more)