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Why doesn’t everybody have a photographic memory – how can some people remember everything? :) thanks.
How come chlorine turns some blonde hair green? :)
Why can we tickle ourselves and not laugh? :)
What is the moon made of?
What do you like best about science?
Why do we have dreams?
What are these DVD's going to be about?
How long will it take for the sea animals in oceans to be in danger because of ocean acidification?
how does something get its colour