by msander | May 7, 2018 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach the cells deep inside your body? Enda Butler tracks...
by msander | Feb 4, 2018 | Gr 9-10 Science, Gr. 11-12 Biology
Every two seconds, someone in the world has a stroke. One out of every six people will have a stroke at some point in their lives. Strokes deprive brain cells of oxygen and are one of the most common causes of death, and a leading cause of preventable disability. But...
by msander | May 22, 2017 | Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Functional artificial blood could solve a lot of problems, so why hasn’t it been created yet? Hosted by: Hank Green ———- Support SciShow by becoming a patron on Patreon:...
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