This short video, with voice over, explains how to code micro:bits using the radio broadcast function to send and receive temperature data using the MakeCode JavaScript blocks online environment.

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This short video, with voice over, explains how to code the temperature sensor on a micro:bit so that it displays temperature readings as a numerical display using the MakeCode JavaScript blocks online environment.

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This short video, with voice over, explains how to code the temperature sensor on a micro:bit so that it displays temperature readings as a graph using the MakeCode JavaScript blocks online environment.

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This short video, with no voice over, shows how to code the temperature sensor on a micro:bit so that it displays temperature readings as a graph using the MakeCode JavaScript blocks online environment.

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The Global Seed Vault is getting some upgrades to protect it from effects of climate change, like possible flooding. Learn what the Global Seed Vault is and why seed banks are important.

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Did you know that rainbows are actually beautiful optical illusions? We see them thanks to the reflection and refraction of light.

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How will arctic ice melt affect exploration, scientific research and geopolitics?

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In April 2016, three Let’s Talk Science outreach sites worked together to send a helium balloon to the edge of space. It was the first time that volunteers from the University of Guelph, McMaster University and the University of Toronto Mississauga had participated in the the National High Altitude Balloon Experiment.

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We all know that warm air rises, but how does this scientific fact influence our weather and create those flows of air molecules that we know of as wind? In this episode of SciShow, Hank explains where wind comes from, what factors influence it, and how fast it can go! (3:10 min.)

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70% of all the freshwater on Earth is frozen. If it all melted the habitat of polar bears and walruses would disappear. It would also raise sea level 70 meters. Learn what effects this would have on the people of Earth. (5:50 min.)

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