Clouds Are Not Spheres

Counting from Infinity: Yitang Zhang and the Twin Prime Conjecture

Four-Point Conics

Beautiful Young Minds

Meet the Math Drills - Subtraction

Meet the Math Drills - Addition

Meet the Math Drills - Division

The Wesley Verbank Octagon

Curriculum vitae

The Standard Deviants: The Many-Sided World of Geometry, Part 2

Albert Einstein: l'homme et le génie

The Standard Deviants: The Pumped-Up World of Pre-Algebra, Part 1

The Standard Deviants: The Adventurous World of College Algebra, Part 1

The Standard Deviants: The Candy-Coated World of Calculus, Part 2

The Standard Deviants: The Candy-Coated World of Calculus, Part 1

The Standard Deviants: The Many-Sided World of Geometry, Part 1

The Standard Deviants: The Gravity-Packed World of Physics, Parts 1&2

The Standard Deviants: The Adventurous World of College Algebra, Part 2

Standard Deviants School: Trigonometry, Module 1 - The Basics

The Standard Deviants: The Twisted World of Trigonometry, Part 1