One of the other things that happened during the twentieth century is that human life expectancy increased dramatically, people started living a lot longer.

在二十世纪发生的另一大变化是,人类的寿命预期显著增长了,人们活的更久了

耶鲁公开课 - 生物医学工程探索课程节选

Basically if you have a number that's P in this case, than the number is lower then that shows increasing level of statistical significance.

基本上如果P,这幅图里的数比0.05更小,数字越小,表示统计学显著性越大

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选