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What's tasty, abundant and high in protein? Bugs! You may feel icky about munching on insects, but they feed about 2 billion people each day. They also hold promise for food security and the environment. (4:51 min.)

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The elements had been listed and carefully arranged before Dmitri Mendeleev. They had even been organized by similar properties before. So why is Mendeelev's periodic table the one that has endured? (4:24 min.)

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Meter is the standard unit of length used by most countries around the world. But how did they define it? (4:44 min.)

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Acids are widely considered to be the scariest chemical compounds of all, but bases can be just as powerful. Most powerful of all are a special class of bases called superbases! (4:28 min.)

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What do gray wolves, elephants, and parrotfish have in common? They're all keystone species, which means they have an especially large impact on their habitat. (5:07 min.)

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This presentation reviews the processes and summarizes the results from the Fall 2016 Fish Market Survey Action Project.

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How can we learn about the galaxies beyond our own? It all begins with light - the kind we see and the kind we can’t. (4:45 min.)

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There's a saying that "it's not the volts that kills you, it's the amps" and while that's true in a way, you can't have amps without volts and skin resistance plays a big part too. (5:15 min.)

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Most people know that dogs and wolves have a lot of the same genes.But did you know that Pekingese dogs are the most genetically similar to wolves of all dog breeds? Learn how artificial selection processes created the dog breeds we see today. (3:41 min.)

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The stethoscope is the single most widely used medical instrument in the world. But where did the idea come from? (1:48 min.)

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