« previous next »
« previous next »
 

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Many human diseases are caused by mutations in single genes Many human diseases are caused by mutations in single genes
Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t
Common Bacterial Pathogens Common Bacterial Pathogens
Severe hash is almost always caused by cylinder misfire conditions. Severe hash is almost always caused by cylinder misfire conditions.
A valve corroded by nitric acid. Hazardous materials releases are often caused by using incompatible ... A valve corroded by nitric acid. Hazardous materials releases are often caused by using incompatible ...
Mount Pinatubo caused ~1˚C cooling for up to 5 years Mount Pinatubo caused ~1˚C cooling for up to 5 years
Video: Evolutionary tree of life Animation

For a complete list of videos, visit our video library