Khan Academy: 2757 products
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Biology: Water - Liquid awesome
Hank teaches us why water is one of the most fascinating and important substances in the universe. Biology Life is beautiful! From atoms to…
VideoFree11 minutes
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Chemistry: Using the Nernst equation
Using the Nernst equation to calculate the cell potential when concentrations are not standard conditions. Chemistry Did you know that ever…
VideoFree12 minutes
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Chemistry: Keq intuition
A probabilistic look at how molecules react to develop the intuition behind the equilibrium constant formula. Not necessary to keep progres…
VideoFree13 minutes
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Health and medicine: Acute treatment of stroke with medications
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree9 minutes
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Biology: The sex lives of nonvascular plants
Hank introduces us to nonvascular plants - liverworts, hornworts & mosses - which have bizarre features, kooky habits, and strange sex live…
VideoFree9 minutes
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Biology: Evidence for evolution
An overview of the different types of evidence that support evolution, including homologous and analogous features and vestigial structures…
VideoFree13 minutes
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Health and medicine: Gout pathophysiology
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes
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Health and medicine: Genetic shift in flu
Find out how the genetic material in the Type A flu virus can get shuffled around to create brand new types of viruses! Rishi is a pediatri…
VideoFree8 minutes
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Health and medicine: The ovarian cycle
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree11 minutes
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Health and medicine: Arterial elastance (Ea) and afterload
First, learn the difference between arterial elastance (Ea) and afterload. Then, understand how Ea is affected by changes in afterload, and…
VideoFree10 minutes
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Health and medicine: Microcytic, normocytic, and macrocytic anemias
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree6 minutes
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Health and medicine: Weber's law and thresholds
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree9 minutes
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Chemistry: Arrhenius definition of acids and bases
Arrhenius definition of acids and bases. Chemistry Did you know that everything is made out of chemicals? Chemistry is the study of matter:…
VideoFree8 minutes
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Health and medicine: Life and times of RBCs and platelets
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree11 minutes
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Health and medicine: Pregnancy physiology I
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree10 minutes