Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

To investigate this, we simultaneously recorded the brain activity from pairs of players as they played 480 rounds of rock, ...

Here is a close look at the common- versus differential-mode voltage and instrumentation amplifier (IA) topologies.

Sometimes external forces in the economy throw the supply and demand for a product or service out of whack. Trade quotas are a common and powerful example of one such external force. One way ...

Quantum mechanics has at last been formulated exclusively with real numbers, bringing a mathematical puzzle at the heart of ...

The Gordon model allows for the fact that the market might put a price on a stock that's different from what you might estimate using the equation above. A higher stock price than predicted implies a ...

If you're aiming for the Golden Ratio, use one ounce of coffee for every 15 or 16 ounces of water. The so-called Golden Ratio refers to the ideal proportions of water and ground coffee at the ...

Compare QQQ vs. IGV: see here to know why Invesco QQQ Trust ETF (QQQ) offers better tech exposure, AI growth, and ...

The authors used a Bayesian modeling framework to fit behavior and serotonin neuron activity to reward history across multiple timescales. A key goal was to distinguish value coding from other ...