The Science of Cheese - Ri Science Podcast with Bronwen Percival

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To celebrate National Cheese Day earlier this month, we sat down with biochemist and cheese expert Bronwen Percival to look under the barrel at the science of one of the nation’s favourite foods. From the basics of cheese production to the biochemistry underlying its notorious smell, and even some cheese tastings, this video podcast episode guarantees to open your eyes to the captivating world of cheese. Join this channel to get access to perks: https://www.youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/join Subscribe to our podcast here for all the episodes: https://open.spotify.com/show/3zfY0yzdW6UUfNmV4S4DjU 0:00 Introduction 0:58 The basics of cheese 3:15 The fermentation process 4:44 The power of salt 5:20 Cheese tasting 6:35 Why does cheese smell? 9:15 The history of cheese 10:45 Tasting St James cheese 13:07 How do we choose the right microbes? 16:11 What can we learn from cheese 20:06 The ‘goaty’ flavour of Goat’s cheese 21:23 The biggest threat to artisanal cheese 26:20 Becoming a cheese scientist Bronwen Percival is the cheese buyer for Neal’s Yard Dairy in London. In addition to working with cheesemakers and the company’s maturation team to select and optimize the quality of the cheese they sell, she works to mobilize collaboration between cheesemakers and the scientific community. In 2012, she instigated a biennial conference on the Science of Artisan Cheese. In early 2014, she spent two months in the Dutton Lab at Harvard University studying the role of marine-associated Proteobacteria on cheese rinds. Along with Dr. Benjamin Wolfe, she co-founded the website MicrobialFoods.org, a scientific resource for producers, purveyors, and enthusiasts of artisan microbial foods, and more recently she served on the editorial board of the Oxford Companion to Cheese. The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and TikTok: https://www.tiktok.com/@ri_science Listen to the Ri podcast: https://podcasters.spotify.com/pod/show/ri-science-podcast Donate to the RI and help us bring you more lectures: https://www.rigb.org/support-us/donate-ri Our editorial policy: https://www.rigb.org/editing-ri-talks-and-moderating-comments Subscribe for the latest science videos: http://bit.ly/RiNewsletter Product links on this page may be affiliate links which means it won't cost you any extra but we may earn a small commission if you decide to purchase through the link.

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00:52:48

Quantum physics and gender equity - Ri Science Podcast with Jess Wade

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3K views 1 year ago

,2025 is the International Year of Quantum Science and Technology, as marked by the UN, to celebrate 100 years since the birth of quantum mechanics. But quantum science is one of the least diverse areas of science in terms of gender and other protected characteristics. Jess Wade, a physicist and lecturer in functional materials at Imperial College London, has been fighting the inequality in quantum physics and beyond by creating thousands of Wikipedia pages for women scientists. Jess joins us this month to discuss the past, present, and future of quantum science along with what can be done to increase diversity within the field. Ri Science Podcast episodes are released on the last Wednesday of every month. Subscribe wherever you get your podcasts to be notified as soon as episodes are released! --- Jess Wade is a British physicist in the Blackett Laboratory at Imperial College London, specialising in Raman spectroscopy. Her research investigates polymer-based organic light emitting diodes (OLEDs). Her public engagement work in science, technology, engineering, and mathematics (STEM) advocates for women in physics as well as tackling systemic biases such as gender and racial bias on Wikipedia. Read more about here here: https://en.wikipedia.org/wiki/Jess_Wade --- Producer: Lia Hale Assistant producers: Katie Mortimer, Isla Nakano Interviewer: Lia Hale Music: Joseph Sandy -- Join this channel to get access to perks: https://www.youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/join Subscribe for regular science videos: http://bit.ly/RiSubscRibe The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and TikTok: https://www.tiktok.com/@ri_science Listen to the Ri podcast: https://podcasters.spotify.com/pod/show/ri-science-podcast Donate to the RI and help us bring you more lectures: https://www.rigb.org/support-us/donate-ri Our editorial policy: https://www.rigb.org/editing-ri-talks-and-moderating-comments Subscribe for the latest science videos: http://bit.ly/RiNewsletter Product links on this page may be affiliate links which means it won't cost you any extra but we may earn a small commission if you decide to purchase through the link.

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Can you solve this puzzle WITHOUT a calculator? #maths

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Waking up in the universe - Richard Dawkins 1991 Christmas Lectures 1/5

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746 views 1 year ago

,In the first of his CHRISTMAS LECTURES, Richard Dawkins explores the origins of life. Beginning with a look at our ancestry, he shows how the probability of our existence is very small. Watch all the lectures in this series here: https://www.youtube.com/playlist?list=PLbnrZHfNEDZwJw3_jDeusmHuVYDdKRpo9 Watch our newest Christmas lectures here: https://www.youtube.com/playlist?list=PLbnrZHfNEDZyQJZLPMjwEoOLdkFBLU2m1 This lecture was filmed at the Ri on 1 December 1991. These lectures were originally a YouTube member exclusive for our Science Supporters, and now we’re putting them out for everyone to watch. If you can’t wait for them all to be published, get access now by signing up as a YouTube channel member, and help us bring science to more people: https://www.youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/join --- Life grows up in the universe by gradual degrees of evolution. Billions of years ago, there existed a vast population of bacteria. But it was only an elite group of these bacteria that evolved to become humans. In truth, we are lucky to be alive. In the first of his CHRISTMAS LECTURES, Richard Dawkins explores the origins of life. Beginning with a look at our ancestry, he shows how the probability of our existence is very small. Becoming an ancestor is much more difficult than simple reproduction, and Richard reveals how our ancestors did what it took to survive and pass on their genes. But although some of our life must be devoted to perpetuating it, surely there must be more to it? Richard explores the role of art and culture in society, and examines how the capabilities of the human body have enabled us to accomplish complex tasks. When it comes to our understanding of the meaning of life, science is important. As Richard explains, science can help us uncover both when we arrived on this planet, and why we are here. Some people turn to the supernatural for the answer to such questions. Richard looks at the limitations of beliefs in the supernatural and uses a cannonball to prove why instead we should have faith in science and its predictions. -- About the 1991 CHRISTMAS LECTURES The world-famous evolutionary biologist Richard Dawkins presents the CHRISTMAS LECTURES on "our own growing knowledge of how life grows up in the universe." Just as children grow up to be adults, so too does life gradually evolve on a planet over thousands of generations, to move from “nonliving simplicity” to become “living complexity”. Combining beautiful writing with a range of illuminating demonstrations, the series featured a variety of wildlife, a virtual reality Lecture Theatre, and special guests – including the late Douglas Adams reading an excerpt from The Hitchhiker's Guide to the Galaxy. Find out more about the Ri CHRISTMAS LECTURES here: https://www.rigb.org/christmas-lectures --- Join this channel to get access to perks: https://www.youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/join Subscribe for regular science videos: http://bit.ly/RiSubscRibe The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and TikTok: https://www.tiktok.com/@ri_science Listen to the Ri podcast: https://podcasters.spotify.com/pod/show/ri-science-podcast Donate to the RI and help us bring you more lectures: https://www.rigb.org/support-us/donate-ri Our editorial policy: https://www.rigb.org/editing-ri-talks-and-moderating-comments Subscribe for the latest science videos: http://bit.ly/RiNewsletter Product links on this page may be affiliate links which means it won't cost you any extra but we may earn a small commission if you decide to purchase through the link.

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Q&A: The secrets of Einstein's unknown equation – with Sean Carroll

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31K views 1 year ago

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Why don't we know what 95% of the universe is made of? #science

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The race to field the most powerful stealth fighter engines in history

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,Huge thanks to AirCorps Aviation for sponsoring today's video! Make sure to go to https://www.aircorpsaviation.com/careers/ to join their team today! --break-- (Yeah... I accidentally said J85 rather than J58 in the beginning!) Despite a popular focus on stealth — and to a lesser extent, data fusion — in today’s fighters, America’s turbofan advantage is truly just as valuable, setting American fighters apart through a combination of high power output and carefully crafted radar and infrared detection mitigation. In 2023, both Russian and Chinese stealth fighter programs took a big step toward closing the capability gap with America’s 5th-generation jets, finally marrying their low-observable airframes to higher-powered engines purpose-built for stealth applications. Let's talk about what this means, and how the US is responding. 📱 Follow Sandboxx News on social Twitter: https://twitter.com/sandboxxnews Instagram: https://instagram.com/sandboxxnews Facebook: https://facebook.com/sandboxxnews TikTok: https://www.tiktok.com/@sandboxxnews 📱 Follow Alex Hollings on social Twitter: https://twitter.com/AlexHollings52 Instagram: https://www.instagram.com/alexhollings52 Facebook: https://www.facebook.com/AlexHollings... TikTok: https://www.tiktok.com/alexhollings52 Citations: https://www.janes.com/defence-news/news-detail/chinese-ws-15-engine-prepared-for-mass-production https://www.airandspaceforces.com/article/0297engines/ https://academic-accelerator.com/encyclopedia/pratt-whitney-f119 https://www.airandspaceforces.com/article/0898raptor/ https://www.forbes.com/sites/lorenthompson/2019/05/02/pratt-whitneys-f135-fighter-engine-is-poised-to-dominate-for-decades-to-come/?sh=5174e3f3304f https://ia804703.us.archive.org/16/items/ru-2502643-c-2.ru.en/RU2502643C2.ru.en.pdf https://military-blog.com/al-41f1-engine/ https://www.globalsecurity.org/military/world/russia/izdeliye-30.htm https://bulgarianmilitary.com/2023/11/14/second-stage-engine-known-as-izdeliye-30-is-fitted-to-the-su-57/ https://aviationweek.com/defense-space/aircraft-propulsion/pratt-tests-first-xa101-f-35-reengining-wins-new-support https://www.geaerospace.com/propulsion/military/xa100 https://breakingdefense.com/2023/11/as-third-test-phase-for-xa100-adaptive-engine-wraps-ge-mutes-f-35-pitch/ https://www.ge.com/news/reports/the-superjet-how-ges-adaptive-cycle-jet-engine-could-supercharge-military-aviation https://www.airandspaceforces.com/ge-xa100-engine-create-new-mission-possibilities-for-f-35/ https://nationalinterest.org/blog/reboot/xa100-ges-new-jet-engine-could-transform-us-air-force-forever-185908

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00:28:47

The Science of Cheese - Ri Science Podcast with Bronwen Percival

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1 views 2 years ago

,To celebrate National Cheese Day earlier this month, we sat down with biochemist and cheese expert Bronwen Percival to look under the barrel at the science of one of the nation’s favourite foods. From the basics of cheese production to the biochemistry underlying its notorious smell, and even some cheese tastings, this video podcast episode guarantees to open your eyes to the captivating world of cheese. Join this channel to get access to perks: https://www.youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/join Subscribe to our podcast here for all the episodes: https://open.spotify.com/show/3zfY0yzdW6UUfNmV4S4DjU 0:00 Introduction 0:58 The basics of cheese 3:15 The fermentation process 4:44 The power of salt 5:20 Cheese tasting 6:35 Why does cheese smell? 9:15 The history of cheese 10:45 Tasting St James cheese 13:07 How do we choose the right microbes? 16:11 What can we learn from cheese 20:06 The ‘goaty’ flavour of Goat’s cheese 21:23 The biggest threat to artisanal cheese 26:20 Becoming a cheese scientist Bronwen Percival is the cheese buyer for Neal’s Yard Dairy in London. In addition to working with cheesemakers and the company’s maturation team to select and optimize the quality of the cheese they sell, she works to mobilize collaboration between cheesemakers and the scientific community. In 2012, she instigated a biennial conference on the Science of Artisan Cheese. In early 2014, she spent two months in the Dutton Lab at Harvard University studying the role of marine-associated Proteobacteria on cheese rinds. Along with Dr. Benjamin Wolfe, she co-founded the website MicrobialFoods.org, a scientific resource for producers, purveyors, and enthusiasts of artisan microbial foods, and more recently she served on the editorial board of the Oxford Companion to Cheese. The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and TikTok: https://www.tiktok.com/@ri_science Listen to the Ri podcast: https://podcasters.spotify.com/pod/show/ri-science-podcast Donate to the RI and help us bring you more lectures: https://www.rigb.org/support-us/donate-ri Our editorial policy: https://www.rigb.org/editing-ri-talks-and-moderating-comments Subscribe for the latest science videos: http://bit.ly/RiNewsletter Product links on this page may be affiliate links which means it won't cost you any extra but we may earn a small commission if you decide to purchase through the link.