Curious about a portrait of “Old Yarrow” by James Alexander Simpson that hangs in the Peabody Room of Washington, D.C.’s Georgetown public library, James J. Johnston a journalist and attorney decided he wanted to know more and eventually ended up writing a book From Slave Ship to Harvard. The portrait “Old Yarrow” was of Yarrow …
Did you know that there are frozen volcanoes that spew icy particles and water vapor, instead of fiery molten rock? You’ll have to travel millions or billions of miles into the outer solar system to find icy volcanism, also known as cryovolcanism. Many of NASA’s missions to the far-reaches of our solar system have provided evidence …