Submarines played a major role in Word War I. But the first submersible was actually used, though unsuccessfully, in the Revolutionary War.

Posters were originally a method of advertising and promotion, but in the 1960s, a new crop of psychedelic signs became emblematic of the counterculture.

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.

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 didn't like sitting for portraits, and yet artists and mass market prints helped cement his legendary status.

A Curious Reader asks: How exactly does exposure to sunlight cause the the human body to synthesize Vitamin D3?

Cultural explanations for alcoholism have changed significantly throughout the years, sometimes blaming social problems, sometimes psychological.

A giant squid sighting has us wondering all over again: how on earth do deep-sea creatures get so large?

Can compassionate release laws solve the problem of the nearly 200,000 people aged 55 and older who are incarcerated in America?

Busing as a means used to end school segregation remains controversial. Does it work? The case of Norfolk, Virginia, is highly instructive.