Katia Riddle is a correspondent on NPR's science desk. Prior to her current role, she covered public health including reproductive rights and homelessness. She won a 2024 Gracie Award for a series on ...

A brilliant but reckless teen YouTuber employs AI surveillance tricks to fake good behavior while scheming to sneak into the home of famous creator SSSniperWolf for viral fame. As he navigates the ...

Phil Eggtree is once again forced to endure another boring day of school in Riddle School 2. It’s up to you to help him slip away using nothing but your wits. Naturally, it won’t be easy; teachers, ...

A biochemical reaction is the transformation of one molecule to a different molecule inside a cell. Biochemical reactions are mediated by enzymes, which are biological catalysts that can alter the ...

We love testing our brains every day. Whether it's with a tricky puzzle, learning a new language or doing a simple sudoku (emphasis on the simple here). And one of the easiest and most fun ways to ...

If you enjoy word games, solving problems, brainteasers, tackling tough trivia questions and other intellectual challenges, then grab your thinking cap and prepare to put your skills to the test. In ...

Predicting chemical reactions remains a challenge. Here, the authors present Loxodynamics, a machine learning method that uses statistical skewness to automatically discover reaction pathways in ...

Biphasic anaphylaxis is a second anaphylactic reaction after successful treatment, without new allergen exposure. It can occur up to 72 hours later, often peaking within 8 to 11 hours. Symptoms can ...