MinuteEarth
The Cheapest Way To Save A Life
The most cost-effective way to save a human life right now is to help give Vitamin A drops to certain groups of people, thanks to the health effects of the drops and the ease of their distribution.
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.
SciShow
Milk, and the Mutants That Love It
Got milk? Fact is, most people don't -- and shouldn't -- because for them, ice cream and milkshakes are basically toxic. So why can some people drink milk and survive? Turns out they're mutants! SciShow explains.
Crash Course
The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P
Today Hank wraps up this look at your integumentary system and all the hard work it does protecting you from and helping you interact with the world around you. -- Table of Contents: Protects Your Body 1:25 Senses the Outside World 1:42...
SciShow
Can I Die From Too Much Water? Blood? Oxygen?
We all know that we need things like water and oxygen to live, but what happens when you get too much of a good thing?
SciShow
How a Bee Becomes Queen
Royal jelly! For bees, it’s what makes all the difference between a queen and a worker.
SciShow
What Is Night Blindness?
Night blindness is real, and it can be caused by any number of things that affect the complicated mechanics of your vision.
SciShow
Does Microwaving Food Destroy Its Vitamins?
Many people avoid using microwave ovens, fearing how it changes the molecular structure of your food, but studies have some evidence that may surprise you.
TED Talks
Nina Jablonski: Skin color is an illusion
Nina Jablonski says that differing skin colors are simply our bodies' adaptation to varied climates and levels of UV exposure. Charles Darwin disagreed with this theory, but she explains, that's because he did not have access to NASA.
SciShow
How the Vitamins Got Their Names
The list of vitamins can be kind of confusing, what with all those B vitamins and a random K thrown in. But every name has its story.
SciShow
We’re Giving Nature a Vitamin Deficiency
Scientists are beginning to notice that more and more species are missing an essential vitamin, one that is crucial for their survival.
SciShow
6 "Vegetarian" Animals that Will Give You Nightmares
Some of the animals you think of as just cute grass-eating creatures might actually be more interested in chomping on your meaty bones.
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.
TED-Ed
TED-Ed: How do vitamins work? - Ginnie Trinh Nguyen
Vitamins are the building blocks that keep our bodies running; they help build muscle and bone, capture energy, heal wounds and more. But if our body doesn't create vitamins, how do they get into our system? Ginnie Trinh Nguyen describes...
SciShow
Are Multivitamins Really Good For You?
People spend billions of dollars every year trying to boost their health with multivitamins- but are they actually good for you?
Be Smart
Why Vaccines Work
As more and more parents are choosing not to vaccinate their children or are vaccinating them later, diseases like measles are making a comeback. Are vaccines safe? How do vaccines work? Why do some people claim there is a link between...
Infognostica
Five dietary deficiencies that cavemen didn't have...
Our modern diet is rife with specific dietary deficiencies. This explores just 5 discrepancies between our diet, and that of our primal ancestors. Fig Leaf Rag Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By...
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
Malnutrition
Malnutrition is the biggest risk to health worldwide. It has become a common problem in the developing world. What is it and how does it develop? Biology - Healthy Living - Malnutrition is a chronic lack of nutrients. Malnutrition is the...
Curated Video
Balanced Diet - Nutrition Essentials
Discover which foods are vital for a healthy diet. What should you be eating, how much, and why? Biology - Healthy Living - Learning Points. You need a balanced diet to be healthy. A balanced diet is varied and contains different amounts...
Curated Video
Vitamin Deficiencies
How an investigation into a skin disease in the American Deep South revealed the true value of a healthy diet - and what happens when you don't consume enough vitamins. Biology - Healthy Living - A lack of specific vitamins can cause...
Curated Video
Healthy Beauty
Your outward appearance can be affected by what you put in your body as well as external factors. What are the vital nutrients for beautiful skin, hair and nails? Biology - Healthy Living - Learning Points. A balanced diet is the key to...
Curated Video
Life Cycle Nutrition
From newborn babies to the elderly, changes to our diet at are vital as our age progresses. Find out how different nutrients help our bodies function at different stages in life. Biology - Healthy Living - Our nutritional needs change as...