Wednesday links

Tax day quotes, songs, links and advice, filing an extension, and the 1967 cartoon version of the Beatles' Taxman. Related: Death and Taxes... and Zombies: Tax implications of the zombie apocalypse.

The Titanic sunk on this day in 1912 - here's an eyewitness account.

A Short History of Congress’s Power to Tax.

It's Leonardo da Vinci’s birthday. Here's his handwritten resume from 1482.

A Photographic Exploration Of The Oldest Living Things In The World.

If I dug straight down, at a speed of 1 foot per second, what would kill me first?

ICYMI, Tuesday's links are here, and include the 150th anniversary of Lincoln's assassination, romance novel covers re-enacted by real people, a KKK application from the 1920's (you had to be recommended by a friend first, though), and the status of woolly mammoth cloning efforts.