Watch a demonstration of one way to approach a question that asks you to identify an entailment that follows logically from a set of premises. [6:44]

Watch a demonstration of one way to approach questions that ask you to identify an entailment that would follow logically from a series of statements. [8:40]

Watch a demonstration of one way to approach a question that asks you what additional info would be most useful to know to make an argument valid. [3:41]

Watch a demonstration of one way to approach a question that asks you to find a statement that would be helpful to know in order to evaluate an argument on the Logical Reasoning section of the LSAT. [7:17]

Watch a demonstration of one way to approach questions that ask you to identify the technique used in an argument. [4:18]

Watch a demonstration of how to approach a question that asks you to identify the technique on the logical reasoning section of the LSAT. [6:44]

Watch a demonstration of one way to approach questions that ask you to identify the role a piece of information plays in an argument. [5:33]

Watch a demonstration of one way to approach questions that ask you to identify a principle from a stimulus at work in other situations. [3:38]

Watch one way to approach questions that ask you to identify a principle that is reflected by an argument in the logical reasoning section of the LSAT. [7:13]

Watch a demonstration of one way to approach a 'Flaw' question on the logical reasoning section of the LSAT. [5:02]

Watch an explanation of how to approach identify the flaw questions on the Logical Reasoning section of the LSAT. [7:36]

Watch a demonstration of how to approach questions that ask you to identify the role a statement plays in a passage on the Logical Reasoning section of the LSAT. [7:24]

This Khan Academy resource is a video about the three components of emotion and the universal emotions.

This Khan Academy resource is a video about Thermoregulation in the lungs and how it can affect the body.

Why do we shiver when it's cold? How do our muscles make sure we don't freeze or have a heat stroke? Learn how the skin, brain, blood vessels, and muscles work together to maintain our core body temperature.

Find out how the respiratory center collects information from all over the body and then helps regulate your breathing. Rishi is a pediatric infectious disease physician and works at Khan Academy. These videos do not provide medical...

Sal solves a very complicated algebraic trig problem that appeared as problem 29 in the 2010 IIT JEE Paper I exam.

Sal solves a very complicated algebraic trig problem that appeared as problem 48 in the 2010 IIT JEE Paper I exam.

Skeletal muscle fibers can be categorized into two types: slow-twitch (Type I) and fast-twitch (Type II). Type I muscle fibers are more efficient over long periods of time. They are mainly used for postural maintenance (such has holding...

In this video lesson [4:29] watch Sal work through a harder Solving systems of linear equations problem.

In this video lesson [2:16] watch Sal work through a basic Interpreting linear functions problem.

This video explains our absolute threshold of sensation using examples and graphs. [4:42]

Watch a demonstration of one way to approach an 'additional evidence' question for a humanities passage in the reading comprehension section of the LSAT. [4:03]

The purpose of this video is to demonstrate how to approach reading and answering questions using an example from the critical analysis and reasoning skills section of the MCAT. [15:09]