Tax day quotes, songs, links and advice, filing an extension, Dave Barry, and the 1967 cartoon version of The Beatles "Taxman".
A Short History of Congress’s Power to Tax and eleven shelters, dodges, and rolls - all perfectly legal - used by America's wealthiest people.
It's Leonardo da Vinci’s birthday - here's his handwritten resume from 1482.
What's Inside a Yo-Yo That Keeps It Spinning?
ICYMI, Thursday's links are here, and include the Kansas farm that's the default location for 600 million IP addresses, science behind why you shouldn’t pop your pimples, lots of information about Abraham Lincoln's assassination on April 13, 1865, and an eyewitness account of the sinking of the Titanic.