What type of armor, made of interlocking metal rings, was worn by medieval knights?

The word "manage" goes back to the Latin "manus," the word for which part of the body? Which New York jeweler gives its name to a famous 128-carat canary-yellow diamond found in South Africa in the 1870s? Which group released the albums "The Writing's on the Wall" (1999) and "Survivor" (2001)? As a boy, rocket pioneer Robert Goddard read and reread which author's "From the Earth to the Moon," making corrections… Which president, derided by critics as a meddler, coined the phrase "bully pulpit" for the White House's power to persu… Which San Francisco street, famous for the tight hairpin turns on one block of Russian Hill, is often called the "crook… Which tailless, burrowing marsupial has a hairy-nosed species? Which two con men in "Adventures of Huckleberry Finn" end up tarred and feathered after their schemes go wrong?