Neanderthals used simple Chemistry.

It's about time that we jettisoned the idea that our ancestors were inferior and that all that went before was simple and lacked sophistication. 

Anyone involved in studying primitive skills and living history knows that life was anything but simple and complex tasks require a lot of attention to detail. 

Here is a link to an interesting article. 

http://www.sciencemag.org/news/2016/02/neandertals-may-have-used-chemistry-start-fires