« previous next »
« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

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

Time Slows Down Near Matter Time Slows Down Near Matter
For a time Dr. Seuss—Theodor Seuss Geisel—drew political cartoons. This one, published in ... For a time Dr. Seuss—Theodor Seuss Geisel—drew political cartoons. This one, published in ...
This illustration shows the decibel level in various locations and associated with different ... This illustration shows the decibel level in various locations and associated with different ...
The four levels of PPE according to the EPA (from left to right): Level A, Level B, Level C, and ... The four levels of PPE according to the EPA (from left to right): Level A, Level B, Level C, and ...
Milankovitch cycles interact over time Milankovitch cycles interact over time
The quaternary level of protein structure as seen in hemoglobin The quaternary level of protein structure as seen in hemoglobin
Video: Brief Summary on Photosynthesis - Animation

For a complete list of videos, visit our video library