So how do you tell how much UV the sun is showering on your delicate dermis? UV detecting beads, that's how. The beads change color depending on the intensity of UV radiation, and an accompanying ...

On Monday, July 17 Digital Dave used beads to show why it’s important for ... a strong visual of each product’s ability to block UV rays.

But if sunscreen is applied to the beads, they stay white, showing that harmful UV rays are being blocked. The Indiana University Melvin and Bren Simon Cancer Center will be giving away UV bracelets ...