Thus, over an interval of almost 1,052 years, the 1973 event ties the 1937 eclipse for second place." Total solar eclipses occur when the sun becomes fully blocked out by the moon.

What Is a Confidence Interval? In statistics, a confidence interval is a range of values likely to contain a population parameter that is unknown. Analysts often use confidence level values of 95% ...

Interval House was the first shelter for abused women and children in the country when it opened in Toronto in 1973. Domestic abuse wasn't something that was understood or talked about.

In early 1973, the U.S. signed the Paris Peace Accords after years of excruciating public and secret negotiations. But it was not a peace deal, as all sides understood the fighting would soon resume.

Why You Need a 30-Second Interval When Galloway started recommending the run/walk method back in the 70s, he started with run a mile, walk a minute, regardless of pace.

Correspondence PR Interval and the Response to Enzyme-Replacement Therapy for Fabry's Disease Published March 20, 2003 N Engl J Med 2003;348: 1186 - 1187 DOI: 10.1056/NEJM200303203481224 ...

Nonetheless, the increased risk of preeclampsia associated with an increasing interbirth interval remained after we controlled for maternal age (in five-year categories) (odds ratio, 1.13 per year ...