265K views · 6.1K reactions | Ultraviolet (Light My Way) (U2.com Edit) out now on YouTube. #U2UVSPHERE https://youtu.be/yjZ2w0_zyj8?si=xoqi-b9xnyMAZ-m1 | U2 | Facebook

1.2M views · 304 reactions | What can a painting tell you about its history? From ultraviolet light to provenance, Sotheby’s Old Master Paintings Specialist David Pollack reveals the intriguing processes experts use to uncover a masterpiece’s hidden secrets. The “How To” series is presented in partnership with Genesis House | Sotheby's | Facebook

Skin cancer often begins quietly with tiny mutations inside skin cells. Ultraviolet light, chemicals, or repeated irritation slowly damage DNA, but early changes are small and invisible. The skin keeps repairing itself, and the immune system removes many abnormal cells, allowing mutations to build unnoticed. Over time, some damaged cells begin dividing faster than normal. A patch of skin may thicken, a mole may darken, or edges may turn uneven, changes that are often ignored. When mutations reac