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: Systemic thinking about cancer
Dr. David Agus discusses thinking systemically about cancer and other things Health and medicine The medical world can be a confusing place…
VideoFree12 minutes
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Health and medicine: Heart attack (myocardial infarction) pathophysiology
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree12 minutes
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Health and medicine: What is iron deficiency?
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: Depolarization waves flowing through the heart
Get a clearer idea of what a "Depolarization Wave" means and how it goes from cell to cell through the entire heart! Rishi is a pediatric i…
VideoFree12 minutes
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Health and medicine: Memory reconstruction, source monitoring, and emotional memories
Learn about memory reconstruction, source monitoring, and flashbulb memories. Health and medicine The medical world can be a confusing plac…
VideoFree5 minutes
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Health and medicine: Fetal circulation right before birth
Watch how the blood flows through the fetal circulation and compare it to what happens in the baby's body. Rishi is a pediatric infectious …
VideoFree12 minutes
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Health and medicine: What is a pleural effusion?
Pleural effusions are when excess fluid get caught between two layers of tissue (the visceral and parietal pleurae) surrounding the lungs. …
VideoFree6 minutes
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Health and medicine: Cancerous colon tissue
Dr. Andy Connolly of Stanford Medical School shows us what cancerous colon tissue looks like Health and medicine The medical world can be a…
VideoFree13 minutes
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Health and medicine: Reimagine the pressure volume relationship
Understand what is happening at the cellular level to cause two identical left ventricular volumes to have such different pressures! Rishi …
VideoFree14 minutes
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Health and medicine: Estrogen
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree7 minutes
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Organic chemistry: Alkane and cycloalkane nomenclature III
Practice naming hydrocarbons with branches and rings. Also discusses classification of carbons: primary, secondary, tertiary, and quaternar…
VideoFree13 minutes
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Chemistry: Titration of a weak acid with a strong base
Calculating the pH for titration of acetic acid with strong base NaOH before adding any base and at half-equivalence point. Chemistry Did y…
VideoFree14 minutes
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Organic chemistry: Oxidation states of carbon
How to assign oxidation states to carbon in different compounds Organic chemistry Sal and Jay cover topics covered in college organic chemi…
VideoFree11 minutes
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Chemistry: Orbitals
Introduction to orbitals. Relates energy shell to rows and periods in the periodic table. Chemistry Did you know that everything is made ou…
VideoFree14 minutes
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Organic chemistry: Nucleophilic aromatic substitution I
The addition-elimination mechanism. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understan…
VideoFree10 minutes