Mei Li:
What algebraic system taught in present-day schools is one of the legacies of the philosopher Rene Descartes to which he lent his name??
Shuai Zheng:
cartesian geometry
Mei Li:
Which metal is extracted from the ore bauxite??
Shuai Zheng:
aluminium
Mei Li:
Denver Broncos won the Super Bowl in February. This was the first time that the tradition of naming each game using Roman numerals was not used. So this game was Super Bowl what number??
Shuai Zheng:
50