Katharine Gammon
Sleep Has No Magic Number
People who sleep according to their culture’s norms are healthier overall
Smells Like Friend Spirit
How everyday scents can influence friendships
When Earth Was a Pale Green Dot
The planet’s first photosynthesizers dined on green light
The Surprising History of Scientific Ballooning in 11 Missions
It started with farm animals—now it’s revealing secrets of the cosmos
When Fish Follow You
Some wild fish may recognize individual humans in the sea
What Megalodons Tell Us About Gigantism
The biggest predator ever to have lived was a skinny beast
The Language of Tree Rings
Turning tree ring science into art
A Missing Link Between Concussion and Alzheimer’s
Viruses may play a surprising part
You Are What Your Ancestors Didn’t Eat
The impact of famine may be written in the bodies of future generations
You’re Gonna Need a Bigger Light
A new way to deter Jaws.