« previous next »
« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

The form and orientation of desert plants reduces heat gain from the environment and facilitates coo The form and orientation of desert plants reduces heat gain from the environment and facilitates coo
The Environment Influences Gene Expression The Environment Influences Gene Expression
The Laguna Santero, Retablo and high altar of the Church of San José, Old Laguna Pueblo, New ... The Laguna Santero, Retablo and high altar of the Church of San José, Old Laguna Pueblo, New ...
a) Appropriate chair height b) Chair is too low c) Chair is too high a) Appropriate chair height b) Chair is too low c) Chair is too high
A gasoline direct-injection system injects fuel under high pressure directly into the combustion ... A gasoline direct-injection system injects fuel under high pressure directly into the combustion ...
Alpine tundra. Low-growing, hardy plants at a high altitude in Washington’s Cascade range. Alpine tundra. Low-growing, hardy plants at a high altitude in Washington’s Cascade range.
Video: Sister chromatids of a metaphase chromosome animation

For a complete list of videos, visit our video library