SciShow
6 Supplements That Might Actually Help You
More than half of Americans take a dietary supplement, but the truth is, most people don't need them. There are, however, a handful of supplements that can be helpful in some situations! Chapters BEET JUICE 2:58 ANTIOXIDANT MULTIVITAMINS...
SciShow
Why Shouldn't You Look at the Sun?
You might have done it accidentally or intentionally but one thing is clear: Don't stare at the the sun! Hank Green explains why.
Curated Video
Cómo vemos. Segunda parte: el cerebro
Únicamente una pequeña parte del ojo «ve» y enfoca. Para convertir la imagen de la retina en visión completa, el ojo necesita la ayuda del cerebro.
Twig - Biología - El ser humano - Los sentidos
Claves de aprendizaje
El...
Curated Video
How We See Part 2: Brain
Only a small part of what the eye 'sees' is in focus. To turn the image on the retina into complete vision the eye needs help from the brain. Biology - Being Human - Learning Points. The brain processes the raw information coming from...
Catalyst University
Anatomy of the Eyeball and 3 Tunics
In this video, we explore the anatomy of the eyeball and see which components are part of which of three tunics (layers).