Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with ...

Some cyanobacteria have pigments that specialise in harvesting green light to power their photosynthesis, which may be an evolutionary adaptation to a time when the oceans were iron-rich and green-tin ...

Take a stroll down to the Kaffie-Frederick General Mercantile Store. This isn’t just any old shop – it’s the oldest general ...

Though they have a seriously sugary name, it doesn't necessarily mean cotton candy grapes have more sugar than other grape ...

Which are the most popular flowers that start with P? There are numerous flower varieties and a considerable number of them ...

There were no shades of grey with Duff. He was either going to live or die. He was drinking a gallon-and-a-half of vodka a ...

Regardless of whether or not a local team is playing, it’s hard to name a day that's bigger for sports bars than the Super ...

Daniel Freedman, University of Wisconsin-Stout (THE CONVERSATION) The colors of rubies and emeralds are so striking that they define shades of red and green ... metals is their intense color.

One feature of compounds made with transition metals is their intense color ... chromium – create the red color of a ruby and green color of an emerald? Rubies and emeralds have the colors ...

(THE CONVERSATION) The colors of rubies and emeralds are so striking that they define shades of red and green – ruby red ... made with transition metals is their intense color.