« previous next »
« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Some uses of recombinant DNA technology for making improved vaccines Some uses of recombinant DNA technology for making improved vaccines
Newspapers and Technology Newspapers and Technology
Japan’s surprise attack on Pearl Harbor on December 7, 1941, killed more than 2,400 American ... Japan’s surprise attack on Pearl Harbor on December 7, 1941, killed more than 2,400 American ...
Changes in the bronchioles during an asthma attack: (a) Normal bronchiole. (b) The inflammatory ... Changes in the bronchioles during an asthma attack: (a) Normal bronchiole. (b) The inflammatory ...
Manic Attack Manic Attack
Changes in bronchioles during an asthma attack Changes in bronchioles during an asthma attack
Video: Digestive System Animation

For a complete list of videos, visit our video library