Add Yahoo as a preferred source to see more of our stories on Google. Azurite traces on a Final Palaeolithic stone from Germany suggest Ice Age people used blue pigments, likely on skin or fabrics now ...

Add Yahoo as a preferred source to see more of our stories on Google. A stone artifact from near the end of the Paleolithic period was originally identified as a lamp, but new evidence suggests that ...

The seas of the Caribbean, Cookie Monster and the Facebook logo all have one thing in common - a bright blue color. From the coating of M&Ms to the threads of jeans, the color blue has been used ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...