Image of scientists looking into a microscope

Photo by Trust "Tru" Katsande on Unsplash

Image of a cigarette which has burned mostly to ash

Photo by Mathew MacQuarrie on Unsplash

Image of multiple stacks of assorted old books

Photo by Ed Robertson on Unsplash

Image of television with static on screen

Photo by Zach Vessels on Unsplash

Image of three people in eccentric clothes with their fingers in their noses

Patch Adams (center) in 2014 • Photo by Ricardoh Fernandez (CC BY-SA 4.0)

Image of single lit lightbulb hanging in front of white background

Photo by Omer Sonido on Unsplash

Black and white photo of a debate at the Scopes Trial

William Jennings Bryan (left) debates Clarence Darrow (right) at the Scopes Trial, Dayton, Tennessee, 1925.

Close-up image of angry man

Photo by engin akyurt on Unsplash

Image of airplane spraying DDT over forest

DDT being sprayed over an Oregon forest in 1955 • USDA Forest Service (Public Domain)

Image of teacher standing in front of classroom full of children

Photo by NeONBRAND on Unsplash