Mental Floss 195

The answer to last week’s challenge is, Q: Researchers have discovered a strong positive correlation between performance in spelling bees and contestants’ shoe sizes. Can you find an explanation for this?

A: Older students have bigger feet and perform better at spelling bee contests. 

This week’s challenge is:

Q: Many underground tube stations have two escalators going up, but just one going down. Why?

The answer along with a new challenge, next week.

Have an excellent weekend!

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