1. I put frozen spinach, fresh spinach, canned spinach, frozen peaches, fresh peaches and canned pea...(more)
  2. Why does lemon prevent the browning of apples? When browning of apples is caused by a reaction wi...(more)
  3. I've often wondered about this. It's kind of complicated, so bear with me... If a person suddenly...(more)
  4. How many languages are there in the world? (more)
  5. What goes on during the change between isometric and isotonic in muscle cells? What does it look...(more)
  6. Is there a difference between total recall and a photographic memory? (more)
  7. Why did humans develop pubic hair (facial, under arm, etc.)? And also why does the male voice cha...(more)
  8. When does a scientist sign on to try and find a cure or cause of an illness or a disease, meaning...(more)
  9. Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by adhe...(more)
  10. Before getting married should we consider blood groups of both individuals? Is there any limitati...(more)
  11. Why doesn't a person lose 9 lb when they consume 1 litre of ice water? If a calorie is the energy...(more)
  12. How is it that some people can 'float' while others seem unable to? In the sea I can quite happil...(more)
  13. Why do carrots spark when cooked in a microwave? Peel 1/2 a carrot, dice it into small pieces, pu...(more)
  14. If pepsin digests proteins in the stomach, how do orally taken vaccines work? (more)
  15. What is your opinion on the ethics of transplant farming and what is your opinion about genetic s...(more)
  16. What is the purpose of polyvinylpyrrolidone in the making of hard capsule gelatin. What is the gr...(more)
  17. Apparently we lose millions of brain cells every day. Does that mean we are getting dumber by th...(more)
  18. What does the future of Psychology hold? New therapies for brain disorders? Computer 'psychologis...(more)
  19. Why is the sound of fingernails scratching against a chalkboard so irritating to listen to? (more)
  20. When you squeeze out a piece of orange-peel on a flame, it catches fire violently. Why? What is t...(more)