Category Archives: Science

The surprising history of hand-washing – BBC REEL

Until the mid-1800s, doctors didn’t wash their hands. They believed diseases were spread by bad smells. This is the story of doctor Ignaz Semmelweis, who in the 19th Century fought to convince his fellow doctors that washing their hands could … Continue reading

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How Plants Caused the First Mass Extinction

Check out Journey to the Microcosmos: https://youtube.com/microcosmos In the middle of the Cambrian, life on land was about to get a little more crowded. And those newcomers would end up changing the world. The arrival of plants on land would … Continue reading

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The Race to Develop a Coronavirus Treatment in 60 Days

As the novel coronavirus outbreak switched from epidemic to global pandemic, and COVID-19 continued to sweep across the globe, a team launched back in 2017 by the Defense Advanced Research Projects Agency (DARPA) has been working tirelessly toward safely developing … Continue reading

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Why Are Conspiracy Theories So Appealing? | Dr David Grimes and Liv Boeree

It seems like many conspiracy theories — even the most extreme ones — are growing in popularity. To understand why, I chat with Dr David Grimes, physicist, cancer researcher and author of The Irrational Ape about the science behind belief-building … Continue reading

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Flocking Behavior of Birds (Boids Algorithm) – Smarter Every Day 234

~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GET SMARTER SECTION Read the website of the man that originally came up with the algorithm, Craig Reynolds http://www.red3d.com/cwr/boids/ Boids on Wikipedia https://en.wikipedia.org/wiki/Boids Experiment with the Boids Algorithm on Ben Eater’s website https://eater.net/boids ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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Pick of the coronavirus papers: Immune system shows abnormal response to COVID-19 | Nature

People queue for a train in Yichang, China, after the lockdowns ease.Credit: STR/AFP/Getty   A selection of the latest research on COVID-19.   1 May — Immune system shows abnormal response to COVID-19 The immune response to SARS-CoV-2 differs from … Continue reading

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An Astronaut’s Cosmic Visions

A former Detroit Lions wide receiver and NASA astronaut (take a moment to let that combination sink in) takes us on a journey into his magical space-induced dreamscape – where vivid colors and explosions of light are an every night … Continue reading

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The weird history of the “sex chromosomes” | Molly Webste

Visit http://TED.com to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. The common thinking on biological sex goes like this: females have two X chromosomes in their cells, while males have one X and … Continue reading

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Virology and Forgotten History

When Edward Jenner created the first vaccine against smallpox, he had no idea what caused smallpox. The scientific appreciation of “germ theory” was just the start of the process of understanding microbiology. The History Guy recalls the forgotten history of … Continue reading

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Indigenous knowledge meets science to solve climate change | Hindou Oumarou Ibrahim

To tackle a problem as large as climate change, we need both science and Indigenous wisdom, says environmental activist Hindou Oumarou Ibrahim. In this engaging talk, she shares how her nomadic community in Chad is working closely with scientists to … Continue reading

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