SARS MERS research COVID-19 vaccine platforms

Earlier coronavirus research sped vaccine work

Before COVID-19, researchers had studied the structure and function of the coronaviruses that cause SARS and MERS. That earlier work helped speed development of vaccine platforms for SARS-CoV-2 in early 2020.

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Life expectancy fell most for Hispanic Americans

3 years

From 2019 to 2020, life expectancy for Hispanic Americans fell by 3 years. It fell by 2.9 years for African Americans and 1.2 years for white Americans, showing that the decline was markedly unequal.

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It rains liquid methane on Saturn's moon Titan

Titan is so cold that methane and ethane can behave much like water does on Earth. They form clouds, fall as rain, flow across the surface, and collect in lakes and seas.

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