Variation in Human Skin Color. njet90 November 24, 2020 15 plays; 1 faves; 0 copies; done Student answers. Do Not Sell My Personal Information, Your California Privacy Rights That’s why we have different colored skin. Bill Nye explains how ultraviolet light and geographical location affect the color of skin. The closer you are to the equator, the more intense the ultraviolet rays are, affecting places like northern South America, Southern Asia and most of Africa. Depending on skin color, it’ll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change. Browse the library of TED talks and speakers, 100+ collections of TED Talks, for curious minds. This ingredient comes from skin cells called melanocytes and takes two basic forms. send Assign as HW. Thanks for contacting us. Not everybody is getting an even shake,” he says. Learn more about the important science of skin color with these two videos. This film explores the hypothesis that different tones of skin color in humans arose as adaptations to the intensity of ultraviolet radiation in different parts of the world. In the clip, which now has 11.4 million views, Nye explains the reason why people’s skin tones vary, and encourages his viewers to “start treating each other fairly” based off the science of it all. Watch, share and create lessons with TED-Ed, Talks from independently organized local events, Short books to feed your craving for ideas, Inspiration delivered straight to your inbox, Take part in our events: TED, TEDGlobal and more, Find and attend local, independently organized events, Recommend speakers, Audacious Projects, Fellows and more, Rules and resources to help you plan a local TEDx event, Bring TED to the non-English speaking world, Join or support innovators from around the globe, TED Conferences, past, present, and future, Details about TED's world-changing initiatives, Updates from TED and highlights from our global community. Copy & Edit. Fifty-thousand years ago, our African ancestors migrated north and settled in Europe and Asia. Learn more about the important science of skin color with these two videos. Pigmented moles or nevi arc localized areas of increased pigment produce by a different pigment producing cell called a nevus cell. Open Translation Project. translators. Bill Nye Breaks Down The Science Behind Skin Color, Points Out 'We're All One Species' The Science Guy wants you to understand the relationship between skin tone and ultraviolet rays — and to start "treating each other fairly." The discovery also emphasizes that humans developed different skin color for one reason and only one reason — to regulate the amount of UV light that makes it into our cells. The sun is the orchestrator of our skin tones. Bill Nye explains how ultraviolet light and geographical location affect the color of skin. GOP senator says he's spoken to Pence, and he is furious, Ellen DeGeneres to resume in-studio filming next week, Brad Rutter remembers Alex Trebek opening ‘Jeopardy!’ without pants, ‘Police Academy’ star Marion Ramsey dead at 73, © 2021 NYP Holdings, Inc. All Rights Reserved, Bill Nye reveals his long-awaited verdict on masks, Bill Nye on global warming: 'The planet is on f--king fire', See Kim Kardashian's hottest Instagram shots amid split, HP takes 50 percent off laptops, desktops and more for Back To Business Sale, This fitness app will help you hit your New Year's resolution goals, The 10 best fleece-lined leggings of 2021 for keeping warm this winter, Walmart's fitness deals will help you reach your New Year's health goals, You can get four Baublebar masks for just $12 for buy one, get one deal, Hilaria Baldwin loses brand partnership amid Spanish heritage scandal. This story has been shared 143,842 times. Japan declares state of emergency for Tokyo area as COVID cases soar. A person’s skin “As groups of us moved around the world, the color of our skin had to change, and here’s why.”. Bill Nye the Science Guy uses science facts to show why we all have different skin colors but also says we need to start treating each other as equals. 454,623, This story has been shared 251,719 times. Dark … Posted on July 11th, 2018. All rights reserved. He also used it as a force for good recently to demonstrate why people should be wearing face masks. Angela Koine Flynn describes the science of skin color. © TED Conferences, LLC. I wanted my students to understand something of the science of skin color in order to challenge the notion that skin color is an indication of anything more than genetic adaptations to one’s environment. Bonnie Burton July 19, 2020 8:16 p.m. PT But we’re not treating each other fairly. Let’s Talk About Race. Skin color is one of the most visible indicators that helps distinguish human appearance, and a new study provides more detail as to how one protein helps produce this wide palette. Go deeper into fascinating topics with original video series from TED. Learn more about the We've received your submission. Technology that mimics skin could help people with artificial limbs sense things, or enable buildings to sense cracks in their facades so that they can be repaired. The Biology of Skin Color: Black and White. Skin color is one of the first things we notice about people, but many of us may be unaware of the scientific basis for skin color variation. Terms of Use Learn vocabulary, terms, and more with flashcards, games, and other study tools. In the most recent Ted-Ed video, the science of skin color is explained through evolutionary human origins.. At a glance, we identify people based on their unique combination of physical features – height, facial shape, skin tone, eye and hair color. … Melanin is produced within the skin in cells called melanocytes and it is the main determinant of the skin color of darker-skin humans. Human skin color ranges from the darkest brown to the lightest hues. Many of these are influenced by our genetic code. Most people associate Africans with dark skin. Skin color is one of the most obvious and (literally) superficial ways humans differ. The #science of skin color. On Nye’s TikTok, which has 3.1 million followers, he’s revived his old video series with short clips like this, including the  popular “Consider the Following” segment. By Jeremy Blum. Research has linked colorism to smaller incomes, lower marriage rates, longer prison terms, and fewer job prospects for darker-skinned people. Skin color is usually measured in scientific studies using a reflectometer, which measures how much light of a particular wavelength is reflected from the skin. By Jeremy Blum. Humans around the world are born with different skin colors and complexions, but we weren’t always so varied. Middle School and High School Skin Color Activity. As early humans moved into hot, open environments in search of food and water, one big challenge was keeping cool. It took Bill Nye the Science Guy just 61 seconds to explain to his followers on TikTok why people have different skin colors and that, to state it simply, “We’re all one species.” Fifty-thousand years ago, our African ancestors migrated north and settled in Europe and Asia. In the early 1990s, the evolution of skin color was regarded by many of her peers as an intractable problem. Sitemap My students were fascinated by the idea presented in Kissinger’s book that all people come in shades of brown. Specific skin areas are usually favored, especially those with little sun exposure (eg, under arm, inner wrist), in order to get the most natural and “unacclimated” phenotype. Our human ancestors in Africa likely had dark skin, which is produced by an abundance of the pigment eumelanin in skin cells. code Embed. It all centers around melanin, the pigment that gives skin and hair its color. The Science of Skin Tone I began the lesson by grounding my students in the science of skin tone. “It turns out everybody on Earth is descended from people that live here, Africa,” he says while pointing to a map. The actual skin color of different humans is affected by many substances, although the single most important substance is the pigment melanin. What’s to account for that difference, and how did our skin come to take on so many different hues to begin with? For Summer's First Full Day: The Science Of Skin Color And Vitamin D : 13.7: Cosmos And Culture Our evolutionary history is inscribed on our very skin. Skin color is due to melanin, a pigment produced in the epidermis to protect us from the sun's potentially cancer-causing ultraviolet (UV) rays. This story has been shared 454,623 times. Related Reading on Skin Color Children’s Picture Books About the Color of Skin. Theory held that darker skin had evolved in order to afford early humans—who had recently lost the cover of fur—a protection against skin cancer under the tropical sun. Colorism disadvantages people with darker skin while privileging those with lighter skin. Skin color is one of the first things we notice about people, but many of us may be unaware of the scientific basis for skin color variation. Science commentator Bill Nye had some choice words about the... Post was not sent - check your email addresses! It all centers around melanin, the pigment that gives skin and hair its color. Bill Nye Breaks Down The Science Behind Skin Color, Points Out 'We're All One Species' The Science Guy wants you to understand the relationship between skin tone and ultraviolet rays — and to start "treating each other fairly." Your California Privacy Rights Depending on skin color, it’ll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change. Specific skin areas are usually favored, especially those with little sun exposure (eg, under arm, inner wrist), in order to get the most natural and “unacclimated” phenotype. Whatever the color, our skin tells an epic tale of human intrepidness and adaptability, revealing its variance to be a function of biology. Do Not Sell My Personal Information. Here is an excellent skin color analysis activity prepared by the Association for the Advancement of Science. flag Problem? Whatever the color, our skin tells an epic tale of human intrepidness and adaptability, revealing its variance to be a function of biology. He concluded, “And that’s it, everybody. Say thanks Task description & scene summary. What’s to account for that difference, and how did our skin come to take on so many different hues to begin with? This story has been shared 251,719 times. Protester killed in Capitol was Air Force vet from California, Video shows moment woman was fatally shot in Capitol, Danish cartoon about man with superlong penis enrages parents, This is the moment a woman was fatally shot amid US Capitol chaos, DC police release photos of suspects in US Capitol siege. Your Ad Choices The ##science of skin color. Article #25: The Science and Evolution of Skin Color (Gr.8-12) Article #21: Sex Changing Fish (Gr.7-12) Article #22: Fecal Transplants (Gr.7-12) Article #23: Human Cyborgs vs. Bionic Humans (Gr.7-12) Article #26: Tanning, UV Radiation and Skin Cancer (Gr.7-12) This article can be found in a LARGER BUNDLE of 50 ARTICLES for 35% OFF 143,842, © 2021 NYP Holdings, Inc. All Rights Reserved Privacy Notice Using the color-coded visual aid depicting the intensity of ultraviolet rays on different continents, he demonstrates why some skin is lighter than others. Skin color is usually measured in scientific studies using a reflectometer, which measures how much light of a particular wavelength is reflected from the skin. The sun is the orchestrator of our skin tones. Colorism refers to discrimination based on skin color. Variations in human skin color are adaptive traits that correlate closely with geography and the sun’s ultraviolet (UV) radiation. You have to have it in perfect balance,” he explains, showing a meter ranging from pale beige to dark brown. All the Colors We Are. Finally, check out these other videos, which explore the topic of human skin in different ways. Skin color is one of the most visible indicators that helps distinguish human appearance, and a new study provides more detail as to how one protein helps produce this wide palette. A person’s skin “Because the ultraviolet varies, the color of our skin varies, and that’s it!”, He ended the video with an important reminder: “We’re all one species! The evolution of race was as simple as the politics of race is complex By Gina Kirchweger. In the most recent Ted-Ed video, the science of skin color is explained through evolutionary human origins.. Kissinger’s own book, All the Colors We Are, offers clear explanations for why people have different skin tones. The Science of Skin Color. TED.com translations are made possible by volunteer Technology that mimics skin could help people with artificial limbs sense things, or enable buildings to sense cracks in their facades so that they can be repaired. Domino's wants people to start recycling its pizza boxes, This story has been shared 454,623 times. When ultraviolet sunlight hits our skin, it affects each of us differently. When ultraviolet sunlight hits our skin, it affects each of us differently. In this video by educator Angela Koine Flynn, with animation by Tomás … #LearnOnTikTok #TikTokPartner ♬ original sound – Bill Nye. By Ann Gibbons Oct. 12, 2017 , 2:00 PM. Finally, check out these other videos, which explore the topic of human skin in different ways. The type and amount of melanin in your skin determines whether you’ll be more or less protected from the sun. But the evolutionary story behind this variation is shared: Over the course of human evolution, complexion evolved from light to dark to a continuous gradient, mediated by geography, genes and cultural practices. Young children, like adults, see different skin colors—and assign meaning to these differences. This article appeared in the Science & technology section of the print edition under the headline "The skinny on skin colour" Reuse this content The Trust Project More from Science & … favorite_border favorite Favorite. The Science of Skin Color. This is really a landmark study of skin color diversity, says geneticist Greg Barsh of the HudsonAlpha Institute for Biotechnology in Huntsville, Alabama. “If you have too much ultraviolet, you break down your folates. ##LearnOnTikTok ##TikTokPartner ♬ original sound - billnye "That's it, everybody," he says at the end. Sorry, your blog cannot share posts by email. “It’s time to change things.”. Bill Nye “The Science Guy” is ditching the educational VHS tapes for a TikTok clip posted this week, teaching a new generation of die-hard fans a timely lesson on racial equality. The Science of Skin Color. Start studying HHMI: The Biology of Skin Color Video. The Science of Skin Color Skin color is caused by a multitude of factors, the brown to tan color of skin is determined by a brown pigment called melanin, which is produced by cells in the epidermis called melanocytes. 251,719, This story has been shared 143,842 times. “Skin is where we make Vitamin D. If you don’t get enough ultraviolet, you don’t get enough vitamin D,” the bow-tie wearing scientist, 64, says. When ultraviolet sunlight hits our skin, it affects each of us differently. Humans around the world are born with different skin colors and complexions, but we weren’t always so varied. Using the color-coded visual aid depicting the intensity of ultraviolet rays on different continents, he demonstrates why some skin is lighter than others. Our human ancestors in Africa likely had dark skin, which is produced by an abundance of the pigment eumelanin in skin cells. The Science of Skin Color. There's eumelanin, which gives rise to a range of brown skin tones, as well as black, brown, and blond hair, and … This film explores the hypothesis that different tones of skin color in humans arose as adaptations to the intensity of ultraviolet radiation in different parts of the world. New gene variants reveal the evolution of human skin color. 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