King Tut Mummy

The Many Modes of Mummification

From Egypt to East Asia, ways of making mummies have varied. Sometimes, as a recent find reveals, mummification happens completely by accident.
Mid adult man lying in bed looking at thermometer reading

The Science of Fevers

Trying to bring down that fever? Studies show that most fevers are actually integral to effective immune responses.
Nuremberg locusts

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?
Gerber ad

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.
memory diagram

What is Memory?

Research suggests that memories may alter the brain's architecture, forming new synapses and strengthening existing ones.
cerebrospinal fluid

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.
Library fallout shelter

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 galaxy clusters

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.