« previous next »
« previous next »
 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

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?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Measuring Oral Temperature Using an Electronic Thermometer Measuring Oral Temperature Using an Electronic Thermometer
Predicted Temperature Trends Through the 21st Century Predicted Temperature Trends Through the 21st Century
The Effect of Temperature on delta G for a process or reactions The Effect of Temperature on delta G for a process or reactions
Cocoa butter melts at body temperature Cocoa butter melts at body temperature
What's Your BMI? As your BMI increases, you are more likely to be overweight or obese What's Your BMI? As your BMI increases, you are more likely to be overweight or obese
Three different patterns of temperature-dependent sex determination (TSD) in reptiles Three different patterns of temperature-dependent sex determination (TSD) in reptiles
Video: Muscle Fatigue and Recovery

For a complete list of videos, visit our video library