This lesson covers solved numerical problems on molarity, molality, mole fraction, and percentage concentrations to help you clearly understand solution concentration concepts in chemistry.

UC San Diego is trying to solve a math problem. The university said a growing number of students are starting their freshman year lacking high school math proficiency. KPBS reporter Jacob Aere says ...

A dad in Texas turned to social media for help after becoming increasingly confused by a third-grade math problem set for his child as homework. Marty posted a screenshot of the problem to Reddit ...

You probably don’t need more time. By Jancee Dunn When I look back on all the major decisions I’ve dithered over, I could scream. It took me a decade to commit to becoming a parent. I wavered for a ...

We've wondered for centuries whether knowledge is latent and innate or learned and grasped through experience, and a new research project is asking the same question about AI. When you purchase ...

Jenny Quinn, executive director of the Seattle Universal Math Museum, shows off a solved Fibonacci sequence puzzle. (GeekWire Photo / Maddie Stoll) Jenny Quinn travels with math in her backpack. She ...

Working memory is like a mental chalkboard we use to store temporary information while executing other tasks. Scientists worked with more than 200 elementary students to test their working memory, ...

Creative problem-solving can be an exhilarating experience. You get a triple benefit: the euphoric 'aha' moment of solving a puzzle, the pride of accomplishing a goal, and the deeper self-discovery of ...

We've shown you the entire overscanned frame so you can see the sprockets and the optical soundtrack The film explains how to divide fractions using a systematic approach. It demonstrates the process ...

Google's second generation of its AI mathematics system combines a language model with a symbolic engine to solve complex geometry problems better than International Mathematical Olympiad (IMO) gold ...

It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...