Singer Björk was once on Weight Watchers.

The Teflon roof on the 10-acre Hubert H. Humphrey Metrodome in St. Paul, Minn., could cover 836,355 10-inch frying pans.

In today’s sizes, Jacqueline Kennedy would wear a size 6, experts say. She was 5 feet 7 inches tall and wore size 10 shoes. In 1961, the designer Oleg Cassini recorded these measurements: Bust 351/2 inches, waist 301/2 inches, upper hips 341/2 inches, and lower hips 381/6 inches.

Fifty years ago, the average house was 1,100 square feet, and the average household consisted of 4.2 people. Today, the average house size is 2,150 square feet and the average household consists of 2.3 people.

In order to keep directions to good flower/pollen sources secret, bees communicate with one another through dance.

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