« previous next »
« previous next »
 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

An example of the founder effect with subsequent adaptive radiation. An example of the founder effect with subsequent adaptive radiation.
Effect of the chemical environment on pKa Effect of the chemical environment on pKa
Effect of Landfall Effect of Landfall
Friction significantly influences airflow near Earth’s surface, but its effect is negligible at ... Friction significantly influences airflow near Earth’s surface, but its effect is negligible at ...
effect of pH on ionization and charges of amines and carboxylic acid effect of pH on ionization and charges of amines and carboxylic acid
Effect of cooperative substrate binding on enzyme kinetics Effect of cooperative substrate binding on enzyme kinetics
Video: Causes of Angina

For a complete list of videos, visit our video library