« previous next »
« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Physical and Perceptual Dimensions of Sound Waves Physical and Perceptual Dimensions of Sound Waves
Responses to Sound Waves Responses to Sound Waves
Magnetic waves Magnetic waves
Ways to prevent heat waves Ways to prevent heat waves
Simple harmonic motion also forms the basis for understanding mechanical waves Simple harmonic motion also forms the basis for understanding mechanical waves
Diagrams of Brain Waves per Seconds Diagrams of Brain Waves per Seconds
Video: Semidiscontinuous DNA replication

For a complete list of videos, visit our video library