They suggested that "differences in sun protective behaviours, eg greater use of sun block" could explain why the younger group of women showed no benefit from living in sunnier climes.

BBC: Sunshine may 'reduce arthritis risk'

Damaging rays from the sun are cumulative, so experts recommend wearing protective sunglasses and hats starting at a young age.

WSJ: The Crucial Years for Protecting Your Eye Health

Spending 88 days exposed to the sun might have seemed an odd way to raise awareness for melanoma, but Ridley, a redhead who admits he burns easily, stocked up on SPF 50 sunblock and UV protective clothing, and took breaks when the sun was the strongest.

FORBES: Philanthropy

Scientists say the northern lights are created by the sun's super hot atmosphere, which blasts particles into the protective magnetic field surrounding the Earth.

CNN: 'Dancing lights' draw thousands to frozen north