1.In 1972, astronaut Charles Duke left behind a picture of his family on the moon's surface. It's been there ever since:
2.This is what salt looks like under an electron microscope:
3.This is what Chile looks like compared to Europe:
4.This is what Netflix's homepage looked like in 1999, one year after launch:
5.This is how big a moose is compared to a van:
6.This is what a gym looked like two centuries ago in 1831:
7.Mars is home to the tallest mountain in the solar system, the 72,000 foot tall Olympus Mons:
8.Here's a computer illustration of what Olympus Mons looks like from space:
9.This is the iconic log cabin where Abraham Lincoln was born in 1809:
10.Easter bunnies were absolutely horrifying in the 1950s:
11.Fingers with nerve damage won't prune:
12.This is the Antonov An-225 Mriya, the largest plane in the world:
13.Last week I shared some new photos NASA's James Webb Space Telescope took of Uranus. Here's another new picture, this time of Neptune:
14.This is what a medieval toilet looked like on the inside of a castle...
15.... and this is what it looked like on the outside:
16.This is a picture of a lifeboat filled with Titanic survivors being rescued and brought aboard the Carpathia following the sinking of the ship:
17.This is what a kidney stone looks like under an electron microscope:
18.In the '60s you could buy a mail-order squirrel monkey for $18.95:
19.This is all the excess glass dust that gets created at a factory that makes glass windshields for cars:
20.This is what a slice of meteorite looks like:
21.This is what a soda bottle looks like before it's inflated and filled with liquid:
22.And, finally, this is Jack the baboon, a South African baboon who worked as a signalman at a railway station in the 1800s. During his almost decade of railway work, Jack never made a single mistake:
