1. Could you explain what the fourth dimension is, exactly? Upon looking at an example put up by Pro...(more)
  2. What are water's special qualities, and how do they work? (more)
  3. How long would a single molecule of a radioactive element last? If the half-life of U-235 reduces...(more)
  4. hi i was just wondering whether or not a child can have a different color of eyes that both there...(more)
  5. I've got a question about light. As I understand it, light is a particular form of energy--in ord...(more)
  6. How does a lightstick work, and what are the chemicals involved? (more)
  7. What is a wormhole? How does it work? How is a wormhole created? Is it possible to survive going ...(more)
  8. What is your opinion on the ethics of transplant farming and what is your opinion about genetic s...(more)
  9. What is the purpose of polyvinylpyrrolidone in the making of hard capsule gelatin. What is the gr...(more)
  10. What are the intermolecular forces for polycrystalline solids? And what is the geometric shape? I...(more)
  11. Apparently we lose millions of brain cells every day. Does that mean we are getting dumber by th...(more)
  12. How high in the sky would Polaris the North Star be, as seen from the North Pole? (more)
  13. Is it possible to create plasma using two high voltage electrodes , cathode and anode. Would air ...(more)
  14. Does fabric softener affect drying time of towels? (more)
  15. Can stabilized oxygen be used in place of iodine or chlorine to purify water? What if used in con...(more)
  16. What does the future of Psychology hold? New therapies for brain disorders? Computer 'psychologis...(more)
  17. Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a solubil...(more)
  18. Why is the sound of fingernails scratching against a chalkboard so irritating to listen to? (more)
  19. Can you please provide background information on catalase and how it affects substrates such as h...(more)
  20. Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant cata...(more)