Instructional Video37:28
Gresham College

What did eighteenth-century men want? - Professor Amanda Vickery

10th - Higher Ed
Such is the gloom that surrounds settling down today and the glamour that attaches to mature bachelor freedom, it is hard to imagine that there was a time when marriage represented the summit of a young man's hopes. Forty years after the...
Instructional Video2:21
PBS

The Leap Second Explained

10th - Higher Ed Standards
Everyone's heard of leap years ... but what about leap seconds? Young scientists get acquainted with one of humankind's most awkward standard measurements with a short video from a PBS playlist covering space and time...