Could a Trillion Trees Really Save the Planet?
Scientists think that planting trees could reverse climate change, but planting trees isn't as simple as it sounds.
How Eco-Conscious is Your Eco-Tour?
Wildlife sighting business is booming. Here’s how to choose the tour operators that care about the animals.
How the Paris Catacombs Solved a Cemetery Crisis
One of the most popular tourist destinations in Paris—the Catacombs—was started as a solution to the intrusion of death upon daily life.
Co-Living, the Hot New Trend of 1898
Chicago's "Eleanor Clubs" were designed to give young, working women affordable and congenial places to live.
The Submerged History of the Submarine
Submarines played a major role in Word War I. But the first submersible was actually used, though unsuccessfully, in the Revolutionary War.
When Posters Went Psychedelic
Posters were originally a method of advertising and promotion, but in the 1960s, a new crop of psychedelic signs became emblematic of the counterculture.
Big Brains Are Hard to Grow
Human brains take a long time, and a lot of energy, to grow to their mature state. This may well be an evolutionary tradeoff for having such big brains.
Will AI Restore Our Sense of Wonder?
According to philosopher Max Weber, science led to humanity's disenchantment. But reaching AI Singularity might spark our sense of wonder all over again.
Napoleon Bonaparte’s Personal #Brand
Napoleon didn't like sitting for portraits, and yet artists and mass market prints helped cement his legendary status.