SciShow
What's Better for Wounds Scabs or Bandages
When someone gets a little scrape, it's pretty common for them to cover it with a bandage while it heals. There are some people, though, who think it's best to leave the wound uncovered and let your body do its healing thing. Who's...
TED-Ed
TED-Ed: How we conquered the deadly smallpox virus - Simona Zompi
For 10,000 years, humanity suffered from the scourge of smallpox. The virus killed almost a third of its victims within two weeks and left survivors horribly scarred. But Simona Zompi commends the brave souls - a Buddhist nun, a boy, a...
Science ABC
Do Wounds Heal Faster Covered Or Uncovered?
The notion that leaving a wound exposed to air helps with faster healing is a misconception. Except for minor cuts, bruises, or scrapes, it’s always best to cover your wounds. In 1962, researcher George Winters once and for all quashed...
Mazz Media
Cardiovascular System (An Introduction)
In this live-action program viewers will learn that the cardiovascular system comprised of the heart and the circulatory system that includes the heart, blood vessels, and approximately five liters of blood. Students will come to...