« previous next »
« previous next »
 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Tropical deciduous forest in Bandhavgarh National Park, India Tropical deciduous forest in Bandhavgarh National Park, India
Four cheetahs at Serengeti National Park, Tanzania Four cheetahs at Serengeti National Park, Tanzania
This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern
John Muir (right) with President Roosevelt at Yosemite National Park John Muir (right) with President Roosevelt at Yosemite National Park
National lead measurements, 1984 - 2008 National lead measurements, 1984 - 2008
Video: First Stage of Labor and Delivery Video

For a complete list of videos, visit our video library