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

In this video, I will show you how to make a unique cardboard box with a blue door and stone texture. It's easy craft project that you can create with simple materials. Perfect for home decor or as a ...

Cleaner, more pure water backscatters light in the blue range, which makes it look blue. One famous example is Crater Lake in ...

Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...