Bethann Garramon Merkle is an illustrator and researcher at the University of Wyoming in Laramie. She has consulted on the implementation of incorporating drawing as a teaching method in science ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Hashtags have become a standard in ...

The team at the Leang Karampuang site used a new technique to determine the minimum age of the paintings, employing a laser to date a type of crystal called calcium carbonate that was on the surface ...