Idli, a south Indian dish made from steamed rice, originated in Indonesia, according to food historian KT Achaya. World Idli Day is March 30.

The average American uses 141 rolls of toilet paper a year. 

If you inhale a small amount of helium to make your voice sound like Donald Duck, the change in your voice is because helium has a lesser density than the nitrogen-rich air we normally breathe.

In a British model (not U.S. model) 1952 Rolls-Royce or Bentley Silver Dawn, the battery is under the driver’s seat.

Washington’s Birthday is February 22. Although the term “Presidents Day” was proposed in 1951, the name was never officially changed. In 1968, Congress moved it to the third Monday in February.

The above is information that Mr. Smarty Pants read in a book, magazine, or newspaper; heard on the radio; saw on television; or overheard at a party. Got facts? Write to Mr. Smarty Pants. Why not visit mrsmartypants.com?

This article appears in April 10 • 2026.

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