October commemorations in the U.S.

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• Water on Mars, the Oscars, and more
• Ingenuity Makes History on Mars
• News from the Animal Kingdom
• The 2020 Olympics
• A New Holiday for Americans
• Spelling Competition and Chicago's climate trouble
• Pregnant Orcas
• Ida hits New York City
• October commemorations in the U.S.
• Pizza: the dollar slice
• Bike Share in NYC
• Alternative transportation
• Lunar soil, NATO, and Eurovision
• Second Amendment in Crisis
• Sweeping Biden Pardon
• Wild Horses
• Climate Change and the Mississippi River
• Word of the Year
• A Speech Goes Viral
• A Tale of 2 Rivers
• Wildfires, Justices, and Old Age