Quiz: Remember the definition of mal de mer?
Scottish astronomer and mathematician who wrote expository works on mathematics, physical geography, microscopic science, and astronomy. Her writings explained complex scientific ideas to the general public through simple illustrations and experiments that the average reader could easily understand.
city, Middlesex county, eastern Massachusetts, U.S. It lies along the Mystic River and is surrounded by Cambridge, Arlington, Medford, and the Boston neighbourhood of Charlestown. Settled in 1630, it was originally known as the Cow Commons and was entirely fenced in until 1685. In the city stands the Old Powder House (c. 1704), from which the British general Thomas Gage seized gunpowder in 1774. Somerville was the last of the Mystic valley towns to separate (1842) from the early Charlestown colony. Its name is said to honour Captain Richard Somers, hero of the Tripolitan-American War