Amid ongoing controversy about handling of media articles and original reporting, AI-powered search startup Perplexity now displays results for factual queries such as weather and time at a place, ...

Exchange rates shouldn't require a maths degree to understand. Yet most currency conversion methods throw complicated decimal points and constantly changing numbers at students who simply want quick, ...

We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple third-grade math problem manages to trip us up and make us question our ...

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