The threat posed by super volcanoes is explored in a short video that reviews the destruction caused by Mount Tambora in 1815 and by Peru's Huaynaputina in 1600. Think it can't happen again? The narrator contends that the explosive...

Vladimir Lenin is on trial in an engaging, animated video where the merits and consequences of the formation of the Soviet Union and Lenin's actions are reviewed. This is a great way to illustrate how to establish and argue unique...