“Do you see the pattern? Each number in the series after the first two numbers is the sum of the preceding two numbers.” That’s how I began my last column focusing on the Fibonacci sequence, which ...

The real award is that you competed. The golden ratio is famous, but maybe more so as an image of a nautilus shell with a rectangle drawn around it than as the actual idea of the ratio it embodies: “A ...

The chart above shows the male-female test score ratio for the 2009 SAT math test (data here). For example, for perfect scores of 800, males (6,928) outnumbered females (3,124) by a ratio of 2.22 to 1 ...