March 28, 1979: Operators of Three Mile Island’s Unit 2 nuclear reactor outside of Harrisburg Pennsylvania, fail to recognize that a relief valve in the primary coolant system has stuck open following an unexpected shutdown. As result, enough coolant drains out of the system to allow the core to overheat and partially meltdown.

These Were the Songs That Defined Metallica’s M72 World Tour
After 99 concerts across three years, Metallica’s M72 World Tour has come to an end. Here’s a breakdown of the songs that became live staples, the deep cuts that appeared only once, and what the setlists reveal about one of the greatest touring bands in rock history.





