« previous next »
« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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.

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?

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

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.

Summary of Nonspecific Body Defenses Summary of Nonspecific Body Defenses
How to choose the right payment plan with changing conditions (Question 4) How to choose the right payment plan with changing conditions (Question 4)
A summary of the major processes in information restructuring of DNA A summary of the major processes in information restructuring of DNA
Summary of Functions of Principal Parts of the Brain Summary of Functions of Principal Parts of the Brain
Summary of the structure of DNA Summary of the structure of DNA
Summary of digestion and absorption in the small intestine Summary of digestion and absorption in the small intestine
Video: What are Strong & Weak Acids and How they're different?

For a complete list of videos, visit our video library