On the Saturday before Thanksgiving, 11-year-old Vada saw her dad collapse. His heart had stopped. She immediately called 911 ...

If you write out the numbers from 1 to 1,000, how many times will you write the number seven? That question was posed to a ...

“It’s about being able to step back and look at your result. Does it make sense?” says Stefan Funk, a particle physicist who ...

From interactive calculators to skill-building games, these digital tools can help make math more accessible and engaging for ...