With years of data from professional Dota 2 in our hands, we take a look at closely games adhere to a normal distribution, also known as the bell curve. If you have been through a basic statistics ...

Pew Research Center is a nonpartisan, nonadvocacy fact tank that informs the public about the issues, attitudes and trends shaping the world.

Support your favorite charitable organizations even in retirement. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain actions ...

Correspondence to Dr Jenna M Schulz, Family Medicine, Western University Schulich School of Medicine & Dentistry, London, Canada; jschulz2{at}uwo.ca Objective Women are often advised to return to ...