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Mr. Smarty Pants Knows

By Mr. Smarty Pants, Fri., Oct. 26, 2012

Adam Ant's mother was Paul McCartney's maid.

Horseshoe crabs have blue blood because, instead of iron-based hemoglobin, they use copper-based hemocyanin to transport oxygen.

Australia introduced a carbon tax on July 1. The emissions intensity of Australian electricity in the third quarter was down 7.6% from the 2011-2012 mean and 5.6% from the previous quarter.

A recent Slate.com article noted that the !Kung San of the Kalahari desert continue breast-feeding their children until around age 4 or 5. The Hadza of Tanzania wean about six months earlier than the Kung. The Aché people of Paraguay wean even earlier, at around age 3.

Since the late 19th century, the word "service" has been used as a transitive verb as well as a noun.

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?

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