The first American nuclear reactor built from scratch in decades has started operations.
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Biden: 'We Can't Wait Any Longer' to Address Climate Crisis
President Joe Biden is undertaking what would be the most ambitious effort to cut America’s oil, gas and coal emissions and stave off the worst effects of climate change.
Doomsday Clock Stuck at 100 Seconds Amid Pandemic
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How Road Signs Got Their Shapes
Today we take road signs for granted. We see these shapes and colors and understand their meaning, even without words. And that was the intention. There’s a forgotten science to the shapes of our signs.
NYC Mass Vaccination Sites Ramp Up Rollout, But Drug Supply Runs Low
In New York City, residents are lining up for the vaccine even as the distribution chain becomes strained. Cheddar's Chloe Aiello follows the reservation process and how the state will manage its supply of vaccines.
