When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

The film follows a yellow-bellied fore flusher who migrates from Ireland to the south of France. Before his journey, he meticulously plans his route and learns to divide distances into equal parts.

This story was originally published on Jan. 21, 2020. If more people were comfortable with math, they would approach politics and social issues in a more rational way, says mathematician and ...