The Long-Lost Locust
The 1874 locust swarm was estimated to be twice the square mileage of the state of Colorado. Why don't locusts swarm anymore?
Baby Food for Baby Boomers
Modern baby food didn’t exist until 1928, when Daniel Gerber launched his first line of mass-produced canned strained peas for babies.
Hippo Poop Kills Fish, but There’s an Upside
A robot disguised as a crocodile is helping scientists understand that mass fish die-offs serve a purpose.
What is Memory?
Research suggests that memories may alter the brain's architecture, forming new synapses and strengthening existing ones.
What is Cerebrospinal Fluid?
A patient was convinced that her runny nose indicated a deeper problem. She was right. Her case brought cerebrospinal fluid into the national spotlight.
Preparing Libraries for Nuclear War
During the Cold War, America's libraries helped patrons prepare for nuclear war, from stocking reference materials to providing fallout shelters.
When Salad Was Manly AF
Esquire, 1940: “Salads are really the man’s department... Only a man can make a perfect salad.”
Dark Matter in the Universe
According to current scientific theories, dark matter and dark energy make up most of the universe. But we don't even know what they actually are.
A History of Noise
What's noisier, nature or civilization? Whether we consider the sounds of nature to be pleasant or menacing depends largely on our ideologies.
The Myth of the St. Augustine Monster
The idea of the gigantic octopus has tantalized marine scientists for years, although its existence had never been conclusively proven.