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Democrats worry Arizona may ‘slip away’ from an embattled Joe Biden
USA TODAY via Yahoo Canada News· 4 days agoThe Trump campaign says it has six offices in Arizona. Biden’s campaign also is spending millions on...
Comet Shoemaker-Levy 9: The backstory and its impact
Astronomy Magazine· 7 days agoLike a celestial string of opalescent pearls, they impacted its swirling atmosphere with the explosive equivalence of 10 million megatons of TNT,...