Mr. Smarty Pants Knows

A day only lasted 23 hours during the time of the dinosaurs.

Musical memory is more accurate than other memory.

According to a recent study by the Pew Research Center, the biggest increase in Internet use since 2005 can be seen in the 70-75 age group. While just more than one-fourth (26%) of 70- to 75-year-olds were online in 2005, 45% of that age group is currently online.

In real (inflation-adjusted) terms, at more than $900 billion, the wars in Afghanistan and Iraq since 2001 have already cost more than every past U.S. war but World War II.

According to his law partner, William Herndon, in 1834 Abraham Lincoln wrote "a little book on infidelity" in which he questioned "the divinity of Christ – Special Inspiration – Revelation &c." He reluctantly burned it, when his friends warned him it would damage his career.