The average temperature for Phoenix at this time of the year is 72 degrees. Highs will be in the lower 80s Sunday, then 90s ...

In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a ...

Elon Musk Steps Up Efforts to Cull Federal Work Force Mr. Musk said federal workers must summarize their accomplishments for the week or be forced to leave, borrowing a tactic he used at his ...

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