International

Passage Graves Studied From an Astronomical Perspective

Passage graves are mysterious barrows from the Stone Age. New research from the Niels Bohr Institute at the University of Copenhagen indicates that the Stone Age graves' orientation in the landscape could have an astronomical explanation. The Danish passage graves are most likely oriented according to the path of the full moon, perhaps even according to the full moon immediately before a lunar eclipse. The results are published in the scientific journal Acta Archaeologica. Claus Clausen, who... continue reading »

Alberto Cairo never expected to end up in Afghanistan, but almost two decades after taking a job with the Red Cross, he says he's never regretted the move. NBC's Jim Maceda reports on how Cairo is making a difference in a remote war zone. continue reading »

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