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Clouds form when invisible water vapor in the air cools enough to form tiny droplets of liquid water.
In this Lab and Lunch recording, historian Paul Edwards and artist Rosten Woo discuss how we use data to understand the impacts of climate change.
This NOAA buoy gathers data on CO2 levels, which are increasing in our oceans and affecting marine life.
Explore the twinkling of stars by beaming a laser pointer over a hot plate.