It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation ...

When the Sun is low on the horizon ... Artists have sought to capture the perfect blue of a summer sky or the fiery red of a sunset. The scientific explanation of why the sky is blue adds another ...

Spending time basking in the sun may be more important than you think. Sure, it's a sensual pleasure and brightens your day. But far beyond that, the summer sun may help you avoid winter depression.