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  1. Why does vitamin C not work as well if it has been heated? I know it is an acid. Does it turn in ...(more)
  2. If the world's land was distributed evenly between all humans how much would we all possess? This...(more)
  3. Is the line spectrum that is produced by a fluorescent tube the result of some of the visible lig...(more)
  4. With all that the U.S. military is doing by developing laser weapons as an anti-missile defense, ...(more)
  5. I am curious. What if two magnetic field lines were to intersect each other? What would this impl...(more)
  6. Could you explain the idea that gravity could be thought of a depression or well, much like when ...(more)
  7. Can you tell me about enhancing mental performance and cognitive abilities through brain nutritio...(more)
  8. We're doing a study on future transportation at school, KTH in Sweden, and we are really having a...(more)
  9. Are we the center of the Universe? Does it always appear to an observer that he/she is at the cen...(more)
  10. What process does a jellyfish go through when it stings something? (more)
  11. What's smaller, a quark or a neutrino? (more)
  12. My question concerns the latest news about the Cosmological Constant. Has it now been established...(more)
  13. If nothing can escape from a black hole, how come we are here? The big bang must ha...(more)
  14. I've heard that alcohol can be passed to a baby through breast milk. Is this true and if so what ...(more)
  15. I was and I still am wondering if there are any really complex questions that even scientists ca...(more)
  16. If one were to drop an item on the surface of the sun, assuming the object could free fall to the...(more)
  17. What is the chemical in banana that causes drowsiness? (more)
  18. I was just wondering what the ratio is between male and female scientists? (more)
  19. ULUru is the aboriginal name for Ayer`s Rock, which was a sacred place for native Australian peop...(more)
  20. Is there an exact relationship between Gravitational forces and Centrifugal forces? If so, is Cen...(more)