« previous next »
« previous next »
 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

When children are “launched” into independence, their parents often find new interests together ... When children are “launched” into independence, their parents often find new interests together ...
How to find the X and Y components of any vector How to find the X and Y components of any vector
How to find the resultant vector of any two vectors How to find the resultant vector of any two vectors
Assume z is a standard normal random variable. What is the value of z if the area to the right ... Assume z is a standard normal random variable. What is the value of z if the area to the right ...
A spherical water tank with an inner radius of 4 m has its lowest point 3 m ... A spherical water tank with an inner radius of 4 m has its lowest point 3 m ...
A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg ∙ m2 is rotating ... A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg ∙ m2 is rotating ...
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library