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"The bacteria in our guts can break down food the body can't digest, produce important nutrients, regulate the immune system, and protect against harmful germs. And while we can't control all the factors that go into maintaining a healthy gut microbiome, we can manipulate the balance of our microbes by paying attention to what we eat. Learn how the food you eat affects your gut with this TED Ed by gastroenterologist Dr. Shilpa Ravella."

"When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation."

"When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine - an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation."

"Bias is a fundamental human characteristic. We are all biased, by our very nature, and every day we make countless decisions based on our gut feelings. We all have preconceived ideas, prejudices, and opinions. And that is fine, as long as we recognize it and take responsibility for it. The fundamental promise of AI, besides the dramatic increase of data processing power and business efficiency, is to help reduce the conscious or unconscious bias of human decisions. At the end of the day, this is what we expect from algorithms, isn't it? Objectivity, mathematical detachment rather than fuzzy emotions, fact-based rather than instinctive decisions. Algorithms are supposed to alert people to their cognitive blind spots, so they can make more accurate, unbiased decisions. At least that's the theory…"

"The internet doesn't come with an instruction manual, but it should-to give users the skills to separate truth from falsehood so they can distinguish between propaganda and the indisputable and confirmable. And colleges should be the place leading students through this reference book. That's the argument of Michael Caulfield, director of blended and networked learning at Washington State University Vancouver, and it isn't just some "hot take" designed to be provocative. He actually wrote the manual. And he has already convinced more than a dozen colleges to adopt it (and more than 100 college libraries to prominently link to it). Recently, he's started research in an effort to prove that it works (and can help preserve American democracy). Plenty of people are talking about the importance of information literacy these days, and many educational institutions see it as part of their mission. And yet it's more complicated than it seems. Earlier this month researcher danah boyd gave a provocative keynote speech at SXSW EDU arguing that media-literacy efforts at colleges are "backfiring," turning out graduates that are good at questioning everything, and selectively believing what their gut tells them is true."