1. What's the percentage of male and female meteorologists in Canada? (more)
  2. Where does the energy in freezing water come from? When water freezes, its volume increases so th...(more)
  3. How did scientists conclude that a major part of our genome is junk? Did they search for open rea...(more)
  4. If the average human were a PC computer, what would the specification be? (processor speed, memor...(more)
  5. We have the ability to use sound frequency to cancel out unwanted sounds, and since light is a f...(more)
  6. In our science class we are doing a project about stereotyping scientists. We want to see if the...(more)
  7. Is the line spectrum that is produced by a fluorescent tube the result of some of the visible lig...(more)
  8. Where did the constant pi (3.14159...) come from? Who discovered it and when? (more)
  9. I have done lots of research on auroras and I understand almost every thing about them. The basic...(more)
  10. Does the temperature of a magnet affect its strength? (more)
  11. Can you explain the meaning of the phrase: " has cleared the neighbourhood around its orbit.” ...(more)
  12. I read that one can get a wider range of colors or shades if one uses the secondary colors: magen...(more)
  13. I understand the concept of dominant and recessive alleles but I was wondering why some alleles a...(more)
  14. How do electric kettles work? (more)
  15. I am really interested in chemistry and I was wondering where I would be able to purchase some of...(more)
  16. I have a physics paper here (don't worry i am not asking you for the answers!) that says each U-2...(more)
  17. How many galaxies do we know about and what are their names? When will the first human go to Mars? (more)
  18. If pepsin digests proteins in the stomach, how do orally taken vaccines work? (more)
  19. We're doing a study on future transportation at school, KTH in Sweden, and we are really having a...(more)
  20. What chemical additives can be used to increase the octane rating of unleaded gasoline? (more)