The answer is not – contrary to popular assumption – that the color comes from the sky or the tiles on the bottom ... in Rio, pool water will always look blue because of the way light and ...

Have you ever sat on the bottom of a swimming pool and pondered your watery ceiling? Most of the surface is a sheet of light blue, and you can't see through it, even though the water is clear.

Our bottom two colors are white and light blue (check out how they disappear ... show up against the light color of the bottom of the pool, they steer clear of them because they can be mistaken ...

A lifeguard has shared one way parents can help to keep their children safe while swimming at the pool or at the beach, and ...