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Life Under a Rock: Bacteria in Extreme Environments
Explore the dry, dim world of hypolithic or “under rock” cyanobacteria and measure and compare colony growth in deserts around the world.
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Make a Kite With Physics
Build a delta kite and explore some of the forces involved in flight. Challenge your design skills to improve your kite’s stability in the air.
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The Albedo Effect, Urban Heat Islands, and Cooling Down Your Playground
Explore the albedo effect by designing a school playground with lower surface temperature, then learn how soot from wildfires changes the albedo of the Greenland ice sheet.
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Twitter Polling and Sample Bias: A Case Study
As part of our #TakeASample Science Club, Science Friday asked its Twitter audience a few simple survey questions, and they answered by the thousands. But do the data mean anything?