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.

Personalized algorithms may quietly sabotage how people learn, nudging them into narrow tunnels of information even when they start with zero prior knowledge. In the study, participants using ...

This week’s science roundup covers 2025’s near-record heat, a new mpox strain and fresh clues about why hobbits vanished 50,000 years ago. Journalist Karen Hao unpacks the rise of AI “empires,” their ...

Applicants for fall 2026 admission to the master’s and PhD programs in computer science must complete the following steps no later than 10 p.m. MST on Dec. 15, 2025. All documents, including Letters ...

A throat bone settles it - Nanotyrannus was not a juvenile T. rex Paleontologists for decades debated whether meat-eating dinosaur Nanotyrannus was actually just a juvenile Tyrannosaurus. But within a ...

Here you can find CCEA past papers for GCSE Physics (Single Science). Use the links below to download question papers and mark schemes (which contain the answers). If you’re unsure whether you need ...

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 ...

The global community’s most authoritative estimates of how many people go hungry in places that are suffering food emergencies exhibit substantial and widespread undercounting. Given other ...

Planetary science is the study of the celestial bodies that orbit stars, with a particular focus on our own solar system. This includes studying the formation and evolution of planets, the moons and ...