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Topic: A Brief History of Time

A picture taken on July 4, 2019 shows bees collecting nectar on a sunflower in a field in Weisskirchen, Germany. (Boris Roessler/AFP/Getty Images)

How Girl Scouts are saving wild bees

Rachel Ramirez - Grist
(AP Photo/Matt Dunham, FILE)

How Stephen Hawking inspired millions

Matthew Rozsa