PBS
The Genes We Lost Along the Way
Our DNA holds thousands of dead genes and we’ve only just begun to unravel their stories. But one thing is already clear: we’re not just defined by the genes that we’ve gained over the course of our evolution, but also by the genes that...
PBS
How We Figured Out Fermentation
Thanks to a recent adaptation, instead of getting sick from the boozy, fermented fruits, one of our primate ancestors could digest them safely, and get more calories at the same time. This new superpower would open up a whole new...
PBS
Why Sour May Be The Oldest Taste
While sour taste's original purpose was to warn vertebrates of danger, in a few animal groups, including us, its role has reversed. The taste of danger became something it was dangerous for us to avoid.
SciShow
Can Vitamin C and Zinc Help Cure Colds?
You’ve probably heard that taking vitamin C or zinc will keep you from getting sick, but it turns out that those popular cure-alls don't actually work.
SciShow
Why Scurvy Shouldn't Exist
Many a joke has been made about scurvy and pirates, but it’s a serious disease caused by a lack of Vitamin C that still affects people around the world today. What’s wild, though, is that it shouldn’t exist - our distant ancestors used...
SciShow
How Can Orange Juice Make Your Kale Better?
No matter how much kale or spinach you eat, the bioavailability of non-heme iron doesn't increase, but the vitamin C in orange juice can actually help your body absorb more of it.
Crash Course
Carboxylic Acid Derivatives & Hydrolysis Reactions: Crash Course Organic Chemistry
Esters have a wide range of uses, from giving perfumes and colognes their fragrances, to preventing diseases like scurvy. Vitamin C, that scurvy preventing antioxidant, is derived from carboxylic acids, a class of organic compounds we’ve...
Curated Video
How to Preserve the Nutrition in Your Vegetables
How to Preserve the Nutrition in Your Vegetables
Curated Video
Does Vitamin C Really Fight Colds?
"I take vitamin C every day 1000mg especially when I can remember it, even more when I have a cold and that seems to help a lot." Lots of people swear that vitamin C can keep colds at bay. They're in good company. Nobel prize-winning...
Curated Video
E-Number
Food additives that have been approved for safe use in the European Union. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Vitamin
An organic compound required by organisms in very small quantities for growth and to maintain good health. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Antioxidant
A substance that can protect against damage caused by free radicals. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Eating for Agelessness: The Power of Antioxidants in Diet
Discover how a colorful diet rich in fruits and vegetables can combat aging by supplying your body with essential antioxidants. Learn the science behind how antioxidants like polyphenols and vitamin C help maintain skin elasticity and...
Curated Video
5 Supplements That Might Not Be Worth the Hype
Dietary supplements have become a staple of the American diet, with half of all American adults taking a multivitamin or other dietary supplement regularly. But how much of the supplements craze is backed by research? With a panel of...
Curated Video
GCSE Biology - What are Nutrients? Carbohydrates, Lipids, Proteins, Vitamins & Minerals #15
In this video, we cover: - What nutrients are and why we need each of them - Specifically we cover carbohydrates, lipids, proteins, vitamins, minerals, fibre and water Exam board specific info: AQA - Suitable for everyone IGCSE Edexcel -...
Curated Video
Viewer Q: Cavy Diet featuring Chili Pepper!
Jessi hangs out with the cavies (mara and guinea pigs), discusses the intrigue of certain rodents and their nutritional needs, and then takes Chili Pepper for a walk outside.
Curated Video
Kemosabe's Vet Visit
Kemosabe the prehensile tailed porcupine, gets regular visits from his veterinarian to check on the length and health of his teeth. This time it doesn't go as planned. Also includes several other animals who needed vet attention as well.