1. Could you explain the idea that gravity could be thought of a depression or well, much like when ...(more)
  2. Specific tissues are meant to perform specific functions. Is it possible to transfer different ti...(more)
  3. If you shine a light through a glass of water, the light slows down. What makes it speed up again...(more)
  4. At what speed does the world's slowest living thing travel? And what is the world's slowest livin...(more)
  5. Hi, Could you please clarify: Does an increase in precision mean a decrease in accuracy? Does a h...(more)
  6. We weren't allowed to put in a permanent dock because it affected the ecosystem. Can you please e...(more)
  7. Can you explain the formula for computing the hydrogen burning lifetime of a star with 15 solar m...(more)
  8. Is a nerve impulse considered an electric current since it induces a magnetic field? (more)
  9. I do not know if this might relate to Global Warming, but I notice no one has mentioned (maybe I ...(more)
  10. Can you hear a bat flap it's wings if it is relatively close say 1-2 meters? (more)
  11. What kind of weather is on Mercury and Saturn? Does it rain or snow on these planets? (more)
  12. Animals eat leaves and grasses and this provides them nutrition. Can people take leaves off trees...(more)
  13. How are rocks made? What are the different kinds of rocks? (more)
  14. How can planetary angular momentum be tranferred from one body (Earth's rotation) to another (Moo...(more)
  15. When does a scientist sign on to try and find a cure or cause of an illness or a disease, meaning...(more)
  16. I was wondering about planet orbit paths and if they change. I read that a change in the Earth's ...(more)
  17. Water is made up of H2O. H will burn and O2 will burn. Why does water not burn? (more)
  18. I hear there are 9 species of cicadas in Canada, but I haven't been able to get any more informat...(more)
  19. I am currently conducting an experiment to do with the medicinal properties certain species of pl...(more)
  20. How many times a year can you see the eclipse of the moon??? (more)