My first big tip is to not make the mistake I did: That pop-up window you see the first time you visit the site is a fixed tutorial, not a clue for the day's puzzle! It's clearer on a PC display than it was on the smartphone browser I was using at the time, so that's pro...
some piled in colorful tresses. “It’s like a kind of art. You look at the back of people’s heads, and it’s literally like a vector field,” he says. “We assume that whatever causes people to be right-handed or left-handed is also causing hair whorl. The theory we’re testing...