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Why do we laugh?
... to laugh if you're with somebody than if you're on your own and you'll laugh more if you like those people, or if you ...
How many genes do humans share?
... or oranges versus lemons. And, actually, just in our own genes we have a lot of variations. We make, if you think ...
Could you mix human and animal genes?
... sensitive to magnetism. So, they really do have their own in-built compass. So Ewen, what would you clone in? Ewen ...