« previous next »
« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

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

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Results of selective breeding for oil content in corn plants. Results of selective breeding for oil content in corn plants.
Butterfly systems designed for safety and ease of use. (A) A safety shield slides down over the ... Butterfly systems designed for safety and ease of use. (A) A safety shield slides down over the ...
Differences in how we display gender often lie below our awareness. How males and females use social ... Differences in how we display gender often lie below our awareness. How males and females use social ...
Abilities that Display Cerebral Lateralization of Function Abilities that Display Cerebral Lateralization of Function
Perform thumb slides on the back of hand and palm. Slide your thumb between the metacarpals on the ... Perform thumb slides on the back of hand and palm. Slide your thumb between the metacarpals on the ...
Content of genomic versus cDNA libraries Content of genomic versus cDNA libraries
Video: Cataract

For a complete list of videos, visit our video library