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Joke of the day

Have you heard the one about a chemist who was reading a book about helium and just couldn't put it down?

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

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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Lab rat conversations

Q. What did one lab rat say to the other?

A. "I've got my scientist so well trained that every time I push a buzzer he brings me a snack."