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: Total anomalous pulmonary venous return
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree4 minutes
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Biology: Steps of glycolysis
Introduction to glycolysis. Role of glycolysis in producing ATPs and NADHs and converting glucose to pyruvates. Biology Life is beautiful! …
VideoFree12 minutes
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Biology: Facilitated diffusion
Understanding how channel proteins and carrier proteins can facilitate diffusion across a cell membrane (passive transport). Biology Life i…
VideoFree7 minutes
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Cosmology and astronomy: Precession causing perihelion to happen later
Clarifying the effect of axial precession on the calendar and the date of perihelion and aphelion Cosmology and astronomy It's a great, big…
VideoFree12 minutes
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Organic chemistry: Sn1 vs Sn2: Solvent effects
Which types of solvents favor Sn1 and Sn2 reactions. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course…
VideoFree8 minutes
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Biology: ATP: Adenosine triphosphate
Learn more about ATP: how it stores energy, and how that energy is released when it's converted to ADP and phosphate. Biology Life is beaut…
VideoFree6 minutes
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Health and medicine: Flu surveillance
Find out how many people get hospitalized and die from the flu each year, and learn how we can use the internet to keep tabs on the flu! Ri…
VideoFree14 minutes
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Health and medicine: Treatment of hypertension
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree5 minutes
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Health and medicine: Diabetic nephropathy - Clinical presentation & treatment
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree10 minutes
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Organic chemistry: Ketone naming
Ketones are named following IUPAC nomenclature. They are named by finding the carbonyl group and identifying it with a location number, if …
VideoFree9 minutes
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Biology: Life history strategies and fecundity
How do organisms use different life history strategies to maximize fitness? Learn about different ways that different species allocate ener…
VideoFree12 minutes
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Health and medicine: Treatments and triggers for drug dependence
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree8 minutes
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Biology: DNA, hot pockets, & the longest word ever
Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us under…
VideoFree14 minutes
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Health and medicine: Treating type I diabetes
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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Organic chemistry: Nucleophilic aromatic substitution II
The elimination-addition mechanism. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understan…
VideoFree12 minutes