**Complex numbers, a hybrid of the imaginary and the real, are the pinnacle of number systems***- The New York Times, *March 7, 2010

# The Joy of X→

/**The series moves on to high school math, specifically algebra and formulas***- The New York Times, *February 28, 2010

# Division and Its Discontents→

/**This week, division—where many students hit the mathematical wall—is made less confusing***- The New York Times, *February 21, 2010

# Rock Groups→

/**Treating numbers concretely—think rocks, for instance—can make calculations less baffling***- The New York Times, *February 7, 2010

# From Fish to Infinity→

/**A debut column on math features an introduction to numbers, from upsides (they’re efficient) to down (they’re ethereal)***- The New York Times, *January 31, 2010

# Loves Me, Loves Me Not (Do the Math)→

/**The ups and downs of love affairs***- The New York Times, *May 26, 2009

# Math and the City→

/**Of mice and Manhattan … and power laws***- The New York Times, *May 19, 2009

Einstein's boyhood proof of the Pythagorean theorem foreshadows the scientist he later became.

- The New YorkerNovember 19, 2015