It is possible to determine the time a cell spends in different phases of the cell cycle and its specific location in the cycle by feeding cells with molecules that are only taken into the cell at a specific point in the cell cycle.
It's known as the Big House, and that's not just a cute nickname. It's a literal one. The largest crowd to ever attend a college football game (115,109) did so in 2013 at Michigan Stadium, when Notre Dame made what might be its final visit to Ann Arbor and fell 41-30 to Michigan.
A crowd of 73,506 attended the 2014 game in Bryant-Denny Stadium. That was the eighth-largest crowd in A-Day history. It was also televised live on ESPNU. UPDATE: Big changes coming to A-Day television broadcast. Over the past seven seasons, Alabama's averaged 83,545 fans for the spring game.