Inside every bottle of hydrogen peroxide, a gas is slowly trying to get out. You are about to introduce it to the one thing that makes the escape happen in seconds — and it is alive.
There is a secret ingredient hiding in your kitchen right now. You eat it every day. You cannot see it, smell it, or taste it. But one brown drop will expose it instantly.
Five Skittles arranged in a circle. A careful pour of water. Most people predict the colours will blend into a muddy mess in the middle. Place your bet before you pour — because most people are wrong.
Water flows downhill. Everyone knows that. So when you dip a paper towel into a glass of coloured water and watch it start climbing upward through the fibres — against gravity