« previous next »
« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Emiliania huxleyi cells in an electro-microscopic picture. Emiliania huxleyi cells in an electro-microscopic picture.
Common structural features of bacterial cells Common structural features of bacterial cells
The Mesengenic Process in stem cells The Mesengenic Process in stem cells
Receptive Fields of Color-Sensitive Ganglion Cells Receptive Fields of Color-Sensitive Ganglion Cells
Francis Bacon, Three Studies of Lucian Freud. Francis Bacon, Three Studies of Lucian Freud.
Shapes of cells found in the brain. Shapes of cells found in the brain.
Video: Evolutionary tree of life Animation

For a complete list of videos, visit our video library