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!