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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Health and medicine: Myelodysplastic syndrome
Myelodysplastic syndrome is sometimes referred to as “pre-leukemia” or a condition that occurs before leukemia (although most patients will…
VideoFree8 minutes
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Electrical engineering: 6th graders learn to build a Spider robot
Vicki Lombardi's 6th grade students at Santa Rita Elementary in Los Altos School district learn how to build a Spider robot. Read more at: …
VideoFree12 minutes
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Health and medicine: Neurodevelopmental disorders: Sufficient and necessary causes
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree11 minutes
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Electrical engineering: Connect the SPDT switches
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree1 minute
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Health and medicine: Double Bohr effect
Learn how there are two distinct Bohr effects happening at the same time in the placenta. Rishi is a pediatric infectious disease physician…
VideoFree11 minutes
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Health and medicine: Epiglottitis diagnosis and treatment
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: Polio vaccinations
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree11 minutes
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Health and medicine: Increasing the heart's force of contraction
Find out exactly how stretch increases force of contraction in end-diastole, whereas more calcium increased force of contraction in end-sys…
VideoFree15 minutes
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Electrical engineering: Motor controller connections
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree2 minutes
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Electrical engineering: Spout motor wiring
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree12 minutes
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Health and medicine: Gustation - structure and function
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree13 minutes
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Health and medicine: Henoch-Schonlein purpura
Henoch-Schonlein purpura (also known as anaphylactoid purpura) is a type of vasculitis that affects small blood vessels and characterized b…
VideoFree6 minutes
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Health and medicine: Muscle stretch reflex
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree10 minutes
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Health and medicine: Understanding R nought
Dr. Rishi Desai is a pediatric infectious disease physician and former epidemiologist with the Centers for Disease Control and Prevention (…
VideoFree9 minutes
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Electrical engineering: Diode graphical solution
We solve a diode circuit graphically by plotting a diode i-v curve and resistor to find the intersection. Graphical solution methods are a …
VideoFree8 minutes