One ball on a Plinko board is unpredictable. Drop a thousand and they form a near-perfect bell curve—one of math’s most powerful ideas for 150+ years.

4:05 a.m. Curling Mixed Doubles: Great Britain vs. Canada USA, Peacock 4:05 a.m. Curling Mixed Doubles: Switzerland vs. Sweden Peacock 4:30 a.m. Freestyle Skiing Women's Slopestyle qualifying USA, ...

Feb. 23Trump’s approval rating dropped to 36% in the latest CNN/SSRS poll, from 48% a year ago (the poll of 2,496 U.S. adults conducted Feb. 17-20 has a margin of ...

President Donald Trump’s net approval rating reached a record low of -12 in Morning Consult’s weekly survey, while the share of respondents who said his administration is focused on cost-of-living ...