Back to school — the time of the year where kids grab their backpacks, file back into the classrooms and start a new year of learning. But they aren’t the only ones expanding their knowledge this fall.
The Clovis spearhead was created nearly 13,000 years ago. As our predecessors roamed the land, it took them more than 8,000 years to realize that, if they made the spearhead just a little bigger, they could sharpen it after each use, rather than creating an entirely new spear. Flash-forward to 2015, the world is buzzing […]