When planes fly from east to west, they are flying against a river of air called a jet stream. These air currents can make your flight longer or shorter, depending on which way you are going.

The mystery of how the brain creates consciousness still puzzles scientists, but the mechanics of waking up are starting to be understood.

There are 15 different kinds of electrical outlets around the world. One standard would be more convenient, but no one wants to change theirs.

Mermaids are not real, but are meaningful to people around the world.

How do tigers – a top predator – successfully hunt their prey when they have bright orange fur? The secret's in their stripes!

How do tigers – a top predator – successfully hunt their prey when they have bright orange fur? The secret's in their stripes!

Geese honk loudly and point their bills toward the sky when they're ready to start the migration. Here's how they know it's time, how they navigate and how they conserve energy on the grueling trip.

Some rainstorms drench you in a second, while others drop rain in a nice peaceful drizzle. A meteorologist explains how rainstorms can be so different.

Your faithful friend's view of the world is different than yours, but maybe not in the way you imagine.