The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.

Luxury travel retailer Duty Free Shop Guam, which operates T Galleria, is closing its doors on March 31, 2026, the DFS corporate office in Hong Kong confirmed with the Pacific Daily News on Tuesday.

"We didn't know what we were seeing. We had attributed it to stored sperm," he said. "I guess sometimes truth is stranger than fiction." Virgin births have been observed in other reptiles before, ...

Week 12 of the 2025 NFL season wraps up tonight with a showdown featuring the Carolina Panthers visiting the San Francisco 49ers. San Francisco enters as a 7.5-point home favorite, with an over/under ...

The 6-3 Detroit Lions head to Philadelphia to take on the 7-2 Eagles in a battle of two division leaders on Sunday Night Football. Both teams have plenty of high upside fantasy players going, but as ...

Getting good at LeetCode Java can feel like a puzzle sometimes, right? You see all these problems, and you’re not sure where ...

Think of the Blind 75 as a special list of 75 coding puzzles from a website called LeetCode. It’s like a training plan for ...

Acclaimed as a mathematical genius, Ada Lovelace is said to have understood the potential of the first computer blueprints better than their inventor. A serendipitous friendship with the mathematician ...