The 2026 PCEP-30-02 exam now features interactive, scenario-based questions and updated domain weightings, requiring candidates to demonstrate applied Python skills under timed conditions. Official ...

JHU mathematician Emily Riehl explains how a surprising amount of math goes into determining who ends up in the U.S. House of ...

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Marc Santos is a Guides Staff Writer from the Philippines with a BA in Communication Arts and over six years of experience in writing gaming news and guides. He plays just about everything, from ...

Random forest regression is a tree-based machine learning technique to predict a single numeric value. A random forest is a collection (ensemble) of simple regression decision trees that are trained ...

A category-by-category look at odds on favorites, per a mathematical formula that factors in awards season data and historical trends. By Ben Zauzmer Ben Zauzmer is a contributing writer for The ...

A math teacher at a top San Francisco school has been placed on leave after allegedly adding fat-shaming and misogynistic questions to students’ tests. Tom Chan, who has worked at Lowell High School ...

A teacher at an elite high school in San Francisco has been placed on indefinite leave after allegations of sexist and fat-shaming questions included on ninth-grade Algebra I quizzes, according to ...

Anthropic’s Claude AI ran a vending machine at WSJ headquarters for several weeks. It lost hundreds of dollars, bought some crazy stuff and taught us a lot about the future of AI agents. WSJ’s Joanna ...

During the pandemic, Rishik Shenolikar offered to help tutor neighborhood kids in his garage. It was a small group of elementary schoolers, and he used a mental math book that intrigued him. He helped ...

Deidre Kelly is a mom of three and has taught 6th-grade math for 14 years. She turned to TikTok to keep her students engaged during remote learning. Now, she has more than 1 million followers, many of ...

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