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What do you know about... Bats?
Batty about all things bat? Try out our quiz and test your knowledge

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Are your eyes playing tricks on you?
Try these experiments to find your blind spot and understand the way your eyes work.

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Mafia joke of the day

Q. How do you know if you're being approached by the Quantum Mafia?
A. They make you an offer you can't understand!

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