Let’s get one thing straight. The saying "blue and green should never be seen" derives from a seafarer's tradition of not painting the hull of a boat green in case it's capsized and is harder to ...

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

St. Patrick's Day's color transitioned from blue to green, reflecting Irish independence and identity changes.

St. Patrick's Day was once a solemn feast day when you'd be far more likely to see the color blue. In fact, there's even a ...

St. Patrick's Day, marked on March 17th, is an alive and kicking festival commemorating Ireland's patron saint and reflecting ...

Green (or blue) urine is pretty rare, and the color is probably caused by dyes in food or medicines you've taken. Medicines that can turn your pee green or bluish-green include amitriptyline ...