BLM movement engaged youth, with positive and negative effects

The police killings of George Floyd and Breonna Taylor in 2020 unleashed an historic wave of activism across the United States, including an estimated 8,000 mass demonstrations in support of Black Lives Matter (BLM).

Chinese Mars rover beams back first photos

Solar panels against an alien landscape, ramps and rods pointing at the Martian horizon—China's first probe on the Red Planet has beamed back its first "selfies" after its history-making landing last week.

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