How can we quantify/measure an information source?

This Khan Academy resource is a video discussion about who can succeed in college?

Pleural effusions are when excess fluid get caught between two layers of tissue (the visceral and parietal pleurae) surrounding the lungs. This fluid can build up over time, taking up space in the lung and impairing a person's ability to...

This Khan Academy resource is a video explaining what pertussis is.

The video lesson is from Khan Academy's physics library. The lesson provides a definition of orbital as region of high probability for finding electron, and how quantum numbers are used to describe the orbitals. Compares Bohr model...

This video lesson from Khan Academy and the Association of American Medical Colleges provides study content for the MCAT. This resource discusses the process of quantitative electrolysis.

Learn about the differences between lymph and blood. Find out what is actually in lymph, and how it might be different across your body. By Patrick van Nieuwenhuizen.

Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-prep/mcat) for MCAT related content. These videos do not provide medical advice and are for...

The resource from Khan Academy provides practice questions for the AP Chemistry course. A redox titration example: titrating an Fe(II) solution with potassium permanganate.

This video lesson demonstrates how to use the method of initial rates to determine the order of a reaction. This information is intended for AP Chemistry students or for those taking college chemistry.

The video lesson from Khan Academy provides a lesson for the AP Chemistry course. This video lesson explains the relationship between Ka and Kb, and pKa and pKb. Examples of finding Ka of a weak acid given Kb of the conjugate base.

The video lesson from Khan Academy provides an example of using integrated rate law to solve for concentration, and calculating the half life for a second-order reaction.

Check out how the amount of Myosin that is tugging on your heart can change depending on your activity level! Rishi is a pediatric infectious disease physician and works at Khan Academy.

The video lesson from Khan Academy provides information about the Second Law of Thermodynamics. This information is intended for AP Physics students or for those taking college physics.

Understand the differences between TIV (dead virus) and LAIV (alive, but weakened virus) and who should get which one. Rishi is a pediatric infectious disease physician and works at Khan Academy. These videos do not provide medical...

The video lesson from Khan Academy provides instructional content for the AP Chemistry course. This video lesson models how to draw resonance structures and resonance hybrid using the example of nitrate anion.

This video lesson provides a definition of "reaction rate" and gives several examples of how to calculate the average rate of reaction. This information is intended for AP Chemistry students or for those taking college chemistry.

The video from Khan Academy provides practice questions for the SAT. Watch Sal work through a harder angles, arc lengths, and trig functions problem.

This video lesson for the MCAT explores the topic of naming and classifying carbohydrates. This video lesson was developed in collaboration with the Association of American Medical Colleges and Khan Academy.

This video lesson for the MCAT explores the type of carbohydrate called "epimers" and other common names. This video lesson was developed in collaboration with the Association of American Medical Colleges and Khan Academy.

This video lesson for the MCAT explores "disaccharide" and "polysaccharide" carbohydrates. This video lesson was developed in collaboration with the Association of American Medical Colleges and Khan Academy.

The video from Khan Academy provides practice questions for the SAT. Students will watch Sal work through a basic angles, arc lengths, and trig functions problem.

This Khan Academy resource is a video about what a Supernova (Supernovae) is.

This video lesson from Khan Academy and the Association of American Medical Colleges provides study content for the MCAT. This resource discusses breathing-related sleep disorders.