"How Did Humans Survive Our Near Extinction?"

It really is a kind of miracle that any of us are here.

For our Homo sapien ancestors, concentrated almost entirely in Africa and southern Asia, life could have become very challenging indeed. In fact, genetic evidence suggests that between 50,000 and 100,000 years ago, our species experienced an extreme population bottleneck, plummeting to as few as 2,000 to 10,000 individuals . . .

"Kardashian Index"

Arguments for and against the "Kardashian Index".

. . . I think it’s time that we develop a metric that will clearly indicate if a scientist has an overblown public profile so that we can adjust our expectations of them accordingly. In order to quantify the problem and to devise a solution, I have compared the numbers of followers that research scientists have on twitter with the number of citations they have for their peer-reviewed work.