# numbers

• ## How to Understand Extreme Numbers

The late statistics wizard Hans Rosling, who died in February of 2017 at age 68,  brought at least 10 toilet paper rolls to some of his beloved presentations.  He would stack them into a tower on a table, each roll representing one billion people. In a 2012 talk at the Skoll World Forum, he […]

• ## How to Understand Extreme Numbers

The late statistics wizard Hans Rosling, who died this month at age 68,  brought at least 10 toilet paper rolls to some of his beloved presentations.  He would stack them into a tower on a table, each roll representing one billion people. In a 2012 talk at the Skoll World Forum, he used the rolls […]

• ## The Word “Million” Didn’t Exist Until We Needed It

I would cut off my right hand if you find it.” That was the guarantee retired Columbia history lecturer Jens Ulff-Møller made that there was no word for “million” in Old English, a medieval predecessor of the language you’re currently reading. Some Anglo-Saxon writers understood the idea of a million, and they had a term for it: a “thousand […]

• ## Found: The World’s Favorite Number

Ecelop via Shutterstock Go ahead, admit it. Like a lot of people, you have a favorite number. Maybe you’re not as extreme as Sheldon Cooper, the arch-nerd character on television’s Big Bang Theory, who loves the number 73: “73 is the 21st prime number, its mirror 37 is the 12th and its mirror 21 is […]