Astronomer Phil Plait offers a Crash Course in Astronomy on YouTube and, so far, the episodes are fast-paced, informative and highly entertaining.
Ancient stone tools sometimes still have traces of the blood of the animals they were used to kill or butcher preserved on their edges.
On his blog Ahcuah, Bob Neinast has a great article about a lesser known astronomical alignment at the Newark Earthworks,
At the beginning of a New Year it’s traditional to look back on the achievements of the past year
Spectacular aerial video of Serpent Mound!
Understanding who is buried in the mounds of the Adena and Hopewell cultures.
Why do so many people view the earthworks as mere piles of dirt – when they see them at all?
Another great video courtesy of a drone.
Four knowledgeable commentators discuss the issues from their various perspectives.
