Big Questions Answered, How and Why

Does this phrase really refer to narrowly avoiding being buried alive? Here's the truth about where "saved by the bell" comes from.

There's a lot of strategy behind that blend of bergamot, jasmine, citrus, and musk. Here's why luxury hotels smell so good.

The reason why "throwing in the towel" means giving up is rooted in boxing.

The phrase “cat’s got your tongue” has inspired theories involving witches, sailors, and ancient Egyptians—but its true origins remain unclear.

A poem is the reason why Friday before Memorial Day is National Poppy Day.

There's a reason why your Aquafina might taste different from your Fiji—here's why different types of bottled water really do taste different.

Airplane cabin lights aren’t dimmed just for comfort. Here’s how the practice helps passengers, crew, and pilots stay safer during flights.

Elderly man and baby, blurring into each other

From a boy who claimed he remembered life as a World War II pilot to a girl who said she remembered the man who was her husband in her past life, these stories have mystified generations.

Why do we buy eggs 12 at a time? The answer may trace back to old British currency.

Museum fatigue is real—and science says it’s not just in your head. Here’s why wandering through galleries can leave your brain and body completely drained.

Astronauts report smelling one particular scent upon returning from space.

Hand reaching into bowls of mints in a restaurant

The little mint at the end of your meal might be doing more than freshening your breath.

Man stands between a cornfield, dried earth, and a flooded landscape

This Earth Day, learn more about how to protect our planet—and the people who live on it.

Ever notice your phone camera flips selfies? Here’s why images appear mirrored, how front-facing cameras work, and what’s really happening behind the scenes.