Image of blackboard covered in mathematical equations

Image by athree23 from Pixabay

Illustration of Dorothy and the Winged Monkeys from "The Wizard of Oz"

W. W. Denslow illustration from "The Wonderful WIzard of Oz" (1900)

Image of an American eel

American eel • U.S. Fish and Wildlife Service (CC BY 2.0)

Image of giant tortoise

Jonathan, a giant tortoise hatched in c. 1832 • Photo by Kevstan (CC BY-SA 4.0)

Image of large crowd of people

Photo by CHUTTERSNAP on Unsplash

Image of street sign on Wall Street in New York

Photo by Uwe Conrad on Unsplash

Illustration of Galileo kneeling at his trial

"Eppur si muove" – Galileo at his trial

Image of a farm at night

Photo by Cody Nottingham on Unsplash

Image of nuclear fireball

The Trinity test at the moment of detonation

Image of traffic sign partially submerged by floodwater

Photo by Kelly Sikkema on Unsplash