« 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?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

A predatory fungus. A predatory fungus.
In this photo opportunity, Phillies manager Ben Chapman refused to shake Jackie Robinson’s hand. ... In this photo opportunity, Phillies manager Ben Chapman refused to shake Jackie Robinson’s hand. ...
Unit Pricing Comparison Unit Pricing Comparison
Smokey Robinson - Cruisin (1979) Smokey Robinson - Cruisin (1979)
Cartilaginous Fishes: Predatory Shark Cartilaginous Fishes: Predatory Shark
A predatory fungus (Arthrobotrys) that captures and feeds on roundworms A predatory fungus (Arthrobotrys) that captures and feeds on roundworms
Video: Hemoglobin's affinity with oxygen - carbon dioxide, temperature and bisphosphoglycerate (BPG)

For a complete list of videos, visit our video library