True or False?

Medieval farm animals were much smaller than farm animals today. A full-grown bull was around the size of a modern calf, and sheep were only a third of the size they are today! Sheep nowadays yield an average of 3.32 kg (7.3 pounds) of wool, while it was not uncommon for medieval sheep to yield less than 0.05 kg (less than 1 pound)!

In a famous study it was proven that children who are able to delay gratification 15 times as long as their more impatient peers score 210 points higher on their SAT's. If your child loves books, be glad – children who are raised in a home containing at least 500 books are 36 percent more likely to graduate from high school!

Mattel is perhaps best known for founder Ruth Handler's invention of the Barbie doll, but dozens of acquisitions fall under their umbrella, including Fisher-Price, Dee & Cee Toy Co., Bluebird Toys and Polly Pocket, and The Learning Company. They're responsible for many well-loved toys like Hot Wheels, the Magic 8 Ball, and American Girl.