Ptolemy’s Geographia
Ptolemy was not only a geographer but a mathematician, astronomer, astrologer, and even a poet.
Map of Global Temperatures Since 1880
NASA takes a look at global temperatures and has a short piece and animated map showing the global change in temperature since 1880. According to … Read more
Nature takes its toll on two national sites
Two significant sites were affected by nature over the past week. Witness Trees Damaged One of the “witness trees” to the Battle of Gettysburg was … Read more