Dating in 1990 2016
Research has been ongoing since the 1960s to determine what the proportion of in the atmosphere has been over the past fifty thousand years.The resulting data, in the form of a calibration curve, is now used to convert a given measurement of radiocarbon in a sample into an estimate of the sample's calendar age.Golden State, which earned home-court advantage with setting the NBA regular season wins record (73–9), jumped to a 2–0 lead in the series while recording the largest combined margin of victory (48) through two games in NBA Finals history.
It shows the rise of online dating (which has only been more pronounced for same-sex couples), clearly depicted by the darker of the two blue lines above (notice not only its furious ascent, but also its relative importance—more than 20 percent of straight couples reported meeting their partners online in 2009, the most recent year for which data are available).
The method was developed by Willard Libby in the late 1940s and soon became a standard tool for archaeologists.
Libby received the Nobel Prize in Chemistry for his work in 1960.
There was one about how close to one another people who ended up together used to live (the answer is very close).
Another about how the average age at which people get married has evolved (it has, as you probably know, been creeping upwards for some time).