Ninety years ago, astronomers weren't sure if the Milky Way was all there was. Now we know we're not alone.
One of the health trend's first advocates was perhaps a little bit of a huckster.
Robert FitzRoy published his first weather report in 1861. It was largely accurate.
Falling is never a good idea, but it used to be way worse.
Patients need fluid, somehow.
In 1796, Georges Cuvier convinced his fellow researchers that some bones belonged to a species that no longer roamed the Earth.
From the moment the first LCD screen was created, the goal was to create a flat television.
Before two twentysomethings simultaneously figured out how to isolate the element cheaply and efficiently, it was one of the most valuable metals in the world.
Early headgear was meant to prevent death. Today's versions attempt to prevent concussions, but protecting players who take repeated hits is hard.
Edward N. Hines became passionate about transportation reform as an avid biker—inventing the first center line to divide a street in two.
A Greek doctor found himself unable to experiment on humans when he came to America, so he used animals instead.
Patients prefer to swallow drugs in little balls, but their ability to actually deliver drugs has a spotty history.
The Reagan administration sped up the implementation of location-finding services for civilian use after the Soviet military shot down a passenger aircraft.
Could it have been any other way?
The discovery of thiamine began with the search for a microbe.
It was clear frozen protein was safe; keeping it cold was a whole different question.
One of the U.S. military's first attempts at creating a helicopter looked a lot like modern quadcopters.
When you're making a tiny electronic system, dust particles can be massively destructive.
The earliest schemes for financial support in old age were pegged to life expectancy.
Today's staple of city living was once an innovation.
The sudsy soap isn't dying; it's returning to its roots as smelly stuff you rub into your head.