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.
For many years, the Rose Bowl had the largest football stadium capacity in the United States, eventually being surpassed by Michigan Stadium (107,601). The Rose Bowl's maximum stated seating capacity was 104,091 from 1972 to 1997.