Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

Solution: Here is a solution in 11 steps (see table below), recording the quantities of mulled wine in each barrel and bottle ...

It was in the year 1914 that Indian mathematician Srinivasa Ramanujan came to Cambridge with a notebook filled with 17 extraordinary infinite series for 1/π. They were not only efficient but also gave ...

Humans respond to environments that change at many different speeds. A video game player, for example, reacts to on-screen ...

Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...

From data poisoning to prompt injection, threats against enterprise AI applications and foundations are beginning to move ...

In the future, quantum computers are anticipated to solve problems once thought unsolvable, from predicting the course of ...

Trapped in a hell he helped make, a lone hacker aboard a space station far from home sneaks and fights his way through horrible mutants and killer robots in order to take down the monstrous artificial ...

This important study combines optogenetic manipulations and wide-field imaging to show that the retrosplenial cortex controls behavioral responses to whisker deflection in a context-dependent manner.

This study presents SynaptoGen, a differentiable extension of connectome models that links gene expression, protein-protein interaction probabilities, synaptic multiplicity, and synaptic weights, and ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Two moments in 2025 revealed how vulnerable the U.S. health care system has become. The first was quiet but consequential. The Centers for Disease Control and Prevention (CDC) revised parts of its ...