Did Neanderthals Practice Chemistry?

Before you try to insult someone by calling them a ���Neanderthal,��� consider that the list of Neanderthal accomplishments has grown yet again. Not only did they wear makeup and jewelry, craft tools and musical instruments, dive for fresh shellfish, and even use toothpicks and practice other dental hygiene, but a new discovery hints that they may have practiced chemistry! They sound like very intelligent humans!

Researchers discovered an adhesive, birch tar, made from birch bark at a Neandertha...