Math teacher Emma Chiappetta uses a three-round exercise to help students not only recognize their errors, but also generate ...

A single overlooked ratio is flashing a rare historical signal. Years of underperformance may have created a powerful setup.

Flower designs on 8,000-year-old Mesopotamian pots reveal a “mathematical knowledge” perhaps developed to share land and ...

For a Summer Undergraduate Research Fellowship project, Kayley Ji, a Carnegie Mellon senior, worked with Vintage Center for Active Adults, a nonprofit community center for older adults in the East ...

Tesla Inc. stock rallied over 5% Thursday, on track for an eighth straight gain and soaring more than 20% in that period, but extra gains may be harder to come by, one analyst said. “While we ...