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Videos

Coronavirus transmission: SARS-CoV-2 in the air

VIDEO: One year into the pandemic, a clearer understanding of how Covid-19 infections spread suggest people need to shift efforts away from cleaning surfaces and toward better ventilation and filtration

When nuclear goes retro | Things to Know

VIDEO: Old becomes new as nuclear startups take another look at using liquid nuclear fuel as a safe alternative to conventional nuclear reactors

What are California megafires? | Things to Know

VIDEO: Megafires, which burn over 100,000 acres, can cause catastrophic damage. Researchers are studying fire behavior in the lab and in the field in order to fight these flames more effectively.

What are fire whirls? | Things to Know

VIDEO: Researchers examine the behavior of these tornado-like fire columns

Fast facts about the Milky Way | Things to Know

VIDEO: Our galaxy may seem humble, but here are a few things to know about what makes it an exceptional place

How gas fuels galaxies

VIDEO: Scientists track gas through time and space to better understand how conglomerations of stars are born and die

The science behind geyser blasts

VIDEO: From Yellowstone National Park to geothermal fields in Iceland, researchers travel the world to understand what makes geysers blow.

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