« previous next »
« previous next »
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Bacteria Undergoing Conjugation Bacteria Undergoing Conjugation
Apidium may be ancestral to all later higher primates and is reconstructed as looking like a small-b Apidium may be ancestral to all later higher primates and is reconstructed as looking like a small-b
Solar EM Radiation Penetration into Earth's Atmosphere Solar EM Radiation Penetration into Earth's Atmosphere
Types of fractures. Massage is contraindicated near fractures in early stages of healing. Types of fractures. Massage is contraindicated near fractures in early stages of healing.
Periodic oscillations of the levels of glycolytic intermediates in yeast cells undergoing glycolysis Periodic oscillations of the levels of glycolytic intermediates in yeast cells undergoing glycolysis
The first successful gene therapy trial The first successful gene therapy trial
Video: Chronology of leptin research (A history of leptin research)

For a complete list of videos, visit our video library