« previous next »
« previous next »
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Aftermath of the Tunguska Event Aftermath of the Tunguska Event
Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another. Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another.
Children will feel more at ease and have a better learning experience if they are allowed to touch ... Children will feel more at ease and have a better learning experience if they are allowed to touch ...
Good ethical judgment comes from both learning and experience. Good ethical judgment comes from both learning and experience.
Cretaceous-Tertiary (K-T) event Cretaceous-Tertiary (K-T) event
An Event-Related Potential An Event-Related Potential
Video: Type of Transport - Active and Passive Processes

For a complete list of videos, visit our video library