« previous next »
« previous next »
 

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

The Four Lobes of the Cerebral Cortex The Four Lobes of the Cerebral Cortex
Synaptogenesis and Pruning in the Human Cortex Synaptogenesis and Pruning in the Human Cortex
Deliberative nursing is a constant process of validating perceptions, thoughts, and feelings. Deliberative nursing is a constant process of validating perceptions, thoughts, and feelings.
Incineration Process Incineration Process
The Gram-Schmidt Process for Finding an Orthonormal Basis The Gram-Schmidt Process for Finding an Orthonormal Basis
Keeping your feelings to yourself may increase your stress level Keeping your feelings to yourself may increase your stress level
Video: Mechanism of enzyme action

For a complete list of videos, visit our video library