The density of an object or substance is its mass divided by its volume: Density = Mass ÷ Volume. The units of density depend on the units used for mass and volume, but are usually: g/cm³ (if mass is ...

Scientists using computing systems from the Texas Center for Advanced Computing (TACC) conducted a large—scale simulation of the activity of Saturn's moon Enceladus. The results confirmed that there ...

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

I created a rudimentary calculator using only marbles. Watch as I demonstrate its functionality and explore the concept.

The object, discovered by Gennady Borisov on November 2, 2025, quickly became the focus of speculation amid the curiosity ...

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 ...