One of the most important numbers in maths might today be named after the Greek letter π or “pi,” but the convention of representing it this way actually doesn’t come from Greece at all.
Until now, scientists have determined the mass of stars, planets, and moons by studying their motion in relation to others nearby, using the gravitational pull between the two as the basis for their calculations.
How strongly children identify with math—their math “self-concept”—can predict how high they will score on a standardized test of math achievement, a new study shows.