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How beautiful is a ring that sparkles, whether perched upon a finger or girdling a gas giant hundreds of millions of miles away. Like precious gems, planetary rings seem all the more beautiful for... read more
https://youtu.be/RHOK3HvvnVs Bradley talks about one of the most reactive elements in the world that we also happen to need in our bodies. Subscribe: http://bit.ly/subscribeflinn About... read more
Tree rings can measure past climate because trees are sensitive to soil moisture. Scientists found over the past 120 years North America, Australia and the Mediterranean have been getting drier while... read more
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