1.
This is what a human skeleton looks like compared with a gorilla skeleton:
2.
This is what a store-bought egg looks like compared with an egg bought at a farmers market:
3.
This is what a husky looks like compared with a wolf:
4.
This is the top hat Abraham Lincoln wore the night he was assassinated:
5.
The small island in the middle of this picture is where Princess Diana is buried:
6.
The words added to the dictionary in 1900 are an absolute doozy:
7.
This is what a "fresh cup" of banana juice looks like:
8.
This is the size of a flag flown on a Spanish ship at the Battle of Trafalgar in 1905:
9.
This is what a newborn baby hippo looks like:
10.
America is still very, very young:
11.
This is the heaviest building in the world, the Palace of the Parliament in Bucharest, Romania:
12.
Elephants have "humanlike" breasts:
13.
In the mid-1800s, any of these things could get you admitted to a "lunatic asylum":
14.
This is what a real, authentic plague mask from the 1500s looked like:
15.
Social Security cards used to not be a flimsy little piece of paper:
16.
This is what a pistachio looks like before it's harvested and becomes the delicious nut we know and love:
17.
Hospitals have machines that allow doctors and nurses to see exactly where your veins are:
18.
Woolly mammoth tusks are absolutely enormous:
19.
Cooling towers have an open bottom:
20.
The Mars Curiosity rover is drilling a ton of holes on Mars. Here's what 36 of them look like:
21.
And finally, this is what a mass of DNA looks like: