White Supremacy: The Dark Side of Eugenics

  Whenever I work on a new edition of my human genetics textbook and reach the section on eugenics, at the end of an evolution chapter, I’m relieved that it’s history. But this summer, as

Mathematical cake slice

Sir Francis Galton, creator of the concept of correlation and regression toward the mean, wrote a letter to the editor of Nature in 1906 on the best way to cut a circular cake. The result is moist cake with every slice, even if you eat it days later. Alex Bellos for Numberphile demonstrates in the video below.

I don't get it. I typically just eat a full cake in one sitting with a really big fork.