Mr. Smarty Pants Knows

Most Americans pronounce Halley's Comet to rhyme with "daily" although you might think it should rhyme with "valley." Halley's family and linguists say it's pronounced "Hawley."

Ash is spread on some cheeses to make them more hospitable to mold (for ripening).

In the 1700s, physicians recommended vanilla to ensure male potency.

Phthalocyanine, the blue dye used for jeans and ballpoint pens, could soon be used to kill cancer cells. UK researchers are using tiny gold "nanoparticles" to deliver the chemical compound directly into cancer cells, tearing them apart instantly.

Actor Jay Silverheels, born Harold J. Smith, was a leading Canadian lacrosse player, discovered by comedian Joe E. Brown.