BRAIN TEASERS

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What number comes next?

Look at the series (9, 73, 241, 561, 1081, 1849, ?), determine the pattern, and find the value of the next number!

Correct answers: 40

The first user who solved this task is Fazil Hashim.

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A Moral Question

One man said to another, "I didn't sleep with my wife before I got married. How about you?"
The man replied, "I don't know. What was her maiden name?"

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Bone repair by electricity

In 1971, the first successful use of electricity to repair a bone fracture is reported by surgeons at the University of Pennsylvania. Electrical currents have been used to heal bone since the mid-1800s, and the effect of electrical stimulation on bone has been long studied and well documented.When human bone is bent or broken, it generates an electrical charge ("On the Piezoelectric Effect of Bone", Fukada and Yasuda, 1957). This low level electrical charge stimulates the body's internal repair mechanism.[Image: steps in a fractured bone healing]

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