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Why does humans exist?
When you exercise. Does your upper body or lower body power your brain more?
Is it possible to have less cromozones from your mum ???
Is there a chance of two people having no relation to have the same DNA?
How did all the languages come around?
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