« previous next »
« previous next »
 

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?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Easter Island—an example of Carrying Capacity Overload Easter Island—an example of Carrying Capacity Overload
Operator, Repressor Operator, Repressor
A Bear Automotive starting and charging tester. This tester automatically loads the battery for 15 ... A Bear Automotive starting and charging tester. This tester automatically loads the battery for 15 ...
Operator using personal protection equipment. Operator using personal protection equipment.
Structural model of the Cro dimer–operator complex Structural model of the Cro dimer–operator complex
Constitutive operator (OC) mutations Constitutive operator (OC) mutations
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

For a complete list of videos, visit our video library