« previous next »
« previous next »
 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Lab: Learn Orders in Class Insecta Lab: Learn Orders in Class Insecta
Treating the younger school-age child Treating the younger school-age child
Oil Refineries Are Large and Complex Facilities Oil Refineries Are Large and Complex Facilities
Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
Diana al-Hadid, Nolli's Orders. Diana al-Hadid, Nolli's Orders.
The outcome of crosses involving the three types of petite mutations The outcome of crosses involving the three types of petite mutations
Video: Deafness Culture

For a complete list of videos, visit our video library