Sunlight is the best disinfectant, they say, and you might occasionally hear that it's also the best medicine. It also turns out to be a vital source of, well, sunlight for plants that require lots of ...

The flag-driven colors of red, white and blue will be everywhere this summer as America marks its 250 th anniversary. Gardeners can get into the patriotic-birthday act by focusing on those three ...

At a dinner party, or in the schoolyard, the question of favourite colour frequently results in an answer of “blue”. Why is it that humans are so fond of blue? And why does it seem to be so rare in ...