The AOL app quietly changed the color scheme of its app from blue to yellow recently. And many who still use AOL are deeply ...

Our bright blue and russet kingfishers dine on aquatic insects and fish ... European bee-eaters, Merops apiaster, are a riot of colour, with plumage of striking turquoise, rust and golden yellow. As ...

Butter yellow is undeniably the color of the season. The pale, milky shade sits somewhere between a neutral and a pastel, ...

Winter aconite appears as the snow melts in March to brighten the winter landscape. The plant’s buttercup-shaped flowers and ...

rather than indoor electric lights at night which are much less bright – or blue. As we age, our eyes change: the lens becomes thicker and yellow, and our pupil size and number of photoreceptors ...