Struggling with a problem that seems to require trigonometry? This lesson shows how to solve it without using trigonometry, ...

Learn how to write the trigonometric equation of a graph step by step by identifying the key features that shape sine and ...

The May 5 article, “5 Research-Backed Ways to Help Students Catch up in Math,” reminded me of my early days as a teacher and school leader. I regularly worked one-on-one with middle and high school ...

“Do you understand?” It’s one of the most common questions asked in schools, tutoring sessions, and even at the kitchen table. It sounds helpful, teacher-like, and open-ended. But it’s also incredibly ...

In 2022, two high school students created a trigonometric proof of the Pythagorean Theorem—something that’s only ever been accomplished by a few professional mathematicians. Now, a new article not ...

Kidney cells can make memories too. At least, in a molecular sense. Neurons have historically been the cell most associated with memory. But far outside the brain, kidney cells can also store ...

From the beginning of my time as President Donald Trump’s national security adviser, in February 2017, I found that discussions of Vladimir Putin and Russia were difficult to have with the president.

Science shows that dogs learn to form mental representations of words, shedding light on why they often seem to grasp our conversations. Nothing quite captures the heart like videos of dogs appearing ...

Every marketer wants to better understand their consumers — their preferences, pain points, and perspectives — to establish a better product-consumer fit. Today, there’s more data available than ever ...