Among high school students and adults, girls and women are much more likely to use traditional, step-by-step algorithms to ...

If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...

People who are good at solving problems for other people make great entrepreneurs. That’s what a business gets paid to do. The challenge is not the same as inventing a new technology, or finding ...