« 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?

Your heart beats over 36 million times a year.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Steps in acute inflammation Steps in acute inflammation
Critical thinking model for safety evaluation Critical thinking model for safety evaluation
A Simple Neural Model of Instrumental Conditioning A Simple Neural Model of Instrumental Conditioning
Initiation and elongation steps of transcription by bacterial RNA polymerase Initiation and elongation steps of transcription by bacterial RNA polymerase
Global Climate Model Global Climate Model
An 8th grade class develops a linear model that predicts the number of cheerios (a small round ... An 8th grade class develops a linear model that predicts the number of cheerios (a small round ...
Video: B cells and antibodies

For a complete list of videos, visit our video library