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: Fetal hemoglobin and hematocrit
Although mom controls the oxygen source, the fetus has a couple of clever tricks to get the most oxygen possible! Rishi is a pediatric infe…
VideoFree15 minutes
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Organic chemistry: Signal characteristics - shape
How hydrogen bonding affects the shape of an IR signal (causing it to become broader and less sharp). Organic chemistry Sal and Jay cover t…
VideoFree9 minutes
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High school biology: How do we know which kinds of dinosaurs were most closely related?
Understanding questions of dinosaur behavior and biology depends on a firm understanding of their evolutionary relationships. To reconstruc…
VideoFree1
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Chemistry: Solubility and the common-ion effect
Calculating the molar solubility of lead(II) chloride in a 0.100 M solution of KCl using an ICE table. Chemistry Did you know that everythi…
VideoFree8 minutes
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Biology: 2015 AP Biology free response, 2c-d
More questions on cellular respiration. Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosyst…
VideoFree10 minutes
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Health and medicine: Diagnosis, treatment, and prevention of chlamydia
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: Diagnosing HIV - Concepts and tests
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: Kinetic and thermodynamic enolates
How to form different enolates from ketones. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic …
VideoFree8 minutes
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Biology: Speed and precision of DNA replication
Sal reflects on the amazing speed and precision with which DNA replication takes place. Biology Life is beautiful! From atoms to cells, fro…
VideoFree4 minutes
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Organic chemistry: Conformational analysis of butane
How to analyze the staggered and eclipsed conformations of butane Organic chemistry Sal and Jay cover topics covered in college organic che…
VideoFree10 minutes
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Health and medicine: Action potentials in cardiac myocytes
See how muscle cells in the heart contract by allowing Calcium to flow inside and bringing along some positive charge with it! Rishi is a p…
VideoFree12 minutes
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Health and medicine: Acute leukemia
Acute leukemias affect specialized blood cells at the most immature stage in their growth. Acute lymphoblastic leukemias (ALL) are the most…
VideoFree10 minutes
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Organic chemistry: Alcohols
Naming alcohols. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understanding of basic high …
VideoFree7 minutes
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Health and medicine: Acyanotic heart disease diagnosis
How do we know a patient has an acyanotic heart disease? Learn how health care professionals use a variety of tools to diagnosis these cond…
VideoFree8 minutes
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Health and medicine: Hypertensive crisis
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree4 minutes