« previous next »
« previous next »
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Types of kidney stones found in an adult. Types of kidney stones found in an adult.
Cultures Ideal Body Types Cultures Ideal Body Types
The energy cycle of life The energy cycle of life
Sticky foods such as dried fruits can adhere to teeth and promote decay Sticky foods such as dried fruits can adhere to teeth and promote decay
Three Types of Lipids The three types of lipids vary in structure Three Types of Lipids The three types of lipids vary in structure
Energy Use by Different Country Groups Energy Use by Different Country Groups
Video: Kinetic parameters & Kinetic experiment

For a complete list of videos, visit our video library