For the foreseeable future, we’ll be scaling back our episodes on Tuesdays and Thursdays.

We’ll still bring you all the features that usually run in the second half of the show.

Today is Pi Day, in celebration of the mathematical constant pi, the ratio of a circle’s circumference to its diameter.

In several Asian countries, it’s White Day, where men give gifts to women in a reversal of local Valentine’s Day customs.

It’s unofficially Learn About Butterflies Day, National Potato Chip Day, and National Save a Spider Day.

It’s the birthday of scientist Albert Einstein, who was born in 1879; actor Michael Caine, who is 84; and actor Billy Crystal, who is 69.

This week in 1972, the top song in the U.S. was “Heart of Gold” by Neil Young.

The No. 1 movie was “What’s Up, Doc?,” while the novel “The Winds of War” by Herman Wouk topped the New York Times Bestsellers list.

Weekly question: Pluto was originally the pet dog of which Disney character?

Submit your answer at triviapeople.com/test and we’ll add the name of the person with the first correct answer to our winner’s wall … at triviapeople.com. We’ll have the correct answer on Friday’s episode.

Thanks for listening to the Trivia Minute, please rate the show on iTunes, or support it at triviapeople.com/support. For other details, visit triviapeople.com

We’ll be back with a full show tomorrow.