« previous next »
« previous next »
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Taking off is one of the main times albatrosses use flapping to fly, and is the most energetically d Taking off is one of the main times albatrosses use flapping to fly, and is the most energetically d
A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
Five Times August - This Too Shall Pass Five Times August - This Too Shall Pass
Statistics Center (07/2016) Statistics Center (07/2016)
Basic Marketing Research: Using Microsoft Excel Data Analysis Basic Marketing Research: Using Microsoft Excel Data Analysis
Belief that premarital sex is “not wrong at all,” Canada, 1975—2016 (in percent) Belief that premarital sex is “not wrong at all,” Canada, 1975—2016 (in percent)
Video: Subunits of DNA And Semi Conservative Replication

For a complete list of videos, visit our video library