Why was there no Middle Ages in Mexico? It turns out the answer is a really simple one, as our expert historian explains.

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A year after he threatened to jail Zuckerberg for life, Amazon, Apple, Alphabet and Meta reveal alarming signs of submission.

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.