لماذا يتغير لون الشعر إلى الرمادي؟

لماذا يتغير لون الشعر إلى الرمادي مع التقدم بالسن. انقر هنا لمشاهدة المزيد من الفيديوهات: https://alugha.com/LifeNoggin إن Life Noggin سلسلة رسوم متحركة أسبوعية تعليمية. نحن نستكشف جميع المواضيع الممتعة مثل العلوم, التاريخ, الفن و الثقافة الشعبية. قم بمتابعتنا! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin https://www.LifeNoggin فريق Life Noggin: الرسوم المتحركة والتصميم: http://www.jmccartney3d.com/ الصوت: http://youtube.com/patdoesit الإنتاج: http://www.IanDokie.com التأليف: https://www.youtube.com/user/AwkwardAdolescents المصادر: http://www.loc.gov/rr/scitech/mysteries/grayhair.html https://www.livescience.com/14643-scientists-uncover-secrets-hair-turns-gray.html

LicenseDefault alugha License

More videos by this producer

Why Do You Understand Language?

Have you ever wondered why you can understand the words other people say? How is it possible that our brains can turn noise into language? Click here to see more videos: https://alugha.com/producer/ab74e560-21e6-11e8-9e5c-976417fdd1d9 Life Noggin is a weekly animated educational series. Whether it

THE SCIENCE OF LOSING WEIGHT

If you made a resolution to hit the gym more in 2015, then pay attention because Blocko is about to break down the science of working out. Click here to see more videos: https://alugha.com/producer/ab74e560-21e6-11e8-9e5c-976417fdd1d9 Life Noggin is a weekly animated educational series. Whether it

WHY DO WE DIE?

What causes old age in the first place, and what happens when we finally kick the can? Click here to see more videos: https://alugha.com/producer/ab74e560-21e6-11e8-9e5c-976417fdd1d9 Life Noggin is a weekly animated educational series. Whether it's science, pop culture, history or art, we explore