ChatGPT's breakthrough is not what it seems.

Exploring concepts such as observation and measurement in the fresh air can give students a new and playful perspective on math.

In 2021, the US cut child poverty by as much as 40 percent using one of the most effective anti-poverty tools the country had ever devised: the expanded child tax credit (CTC). By sending ...

In general relativity, closed timelike curves can break causality with remarkable and unsettling consequences. At the classical level, they induce causal paradoxes disturbing enough to motivate ...

Quantum computers would be exceptionally fast at a few specific tasks, but it appears that for most problems they would outclass today's computers only modestly. This realization may lead to a new ...