People love surprises: For example, a surprise party for friends, an unexpected gift for the kids or a spontaneous trip. All of these enrich life and, according to some research, a positive surprise ...

When you flip a coin to make a decision, there's an equal chance of getting heads and tails. What if you flipped two coins repeatedly, so that one option would win as soon as two heads showed up in a ...

Flip a coin. Heads? Take a step to the left. Tails? Take a step to the right. In the quantum world? Go in both directions at once, like a wave spreading out. Called the walker analogy, this random ...