Archaeologists have made an incredible finding of a human drawing that dates back more than 70,000 years, making it the oldest human drawing ever discovered. The rest of this article is behind a ...

A red, crosshatched design adorning a rock from a South African cave may take the prize as the oldest known drawing. Ancient humans sketched the line pattern around 73,000 years ago by running a chunk ...

Observation is fundamental to science. In fact, one could even argue that science is observation, nourished and channeled for the purpose of better understanding what our world is and how it works.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American As someone who works at the intersection of ...