« previous next »
« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Physical map of the E. coli genome Physical map of the E. coli genome
Older people who experienced stressful events in their younger years may show personal growth and ... Older people who experienced stressful events in their younger years may show personal growth and ...
Aggregates are people who happen to be in the same place at the same time. Aggregates are people who happen to be in the same place at the same time.
Japan’s Physical Geography Japan’s Physical Geography
Atmosphere-ocean connection Atmosphere-ocean connection
By the People: A History of the United States, AP Edition By the People: A History of the United States, AP Edition
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library