Many cancer patients that are treated with chemotherapy lose their hair. For some when the hair grows back, it can grow back a different colour, or be curly or straight.

If you yelled for 8 years, 7 months and 6 days you would have produced enough sound energy to heat one cup of coffee.

Two national capitals are named after U.S. presidents: Washington, D.C., and Monrovia, the capital of Liberia.

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