« previous next »
« previous next »
 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Jacob, Monod, and Pardee's hypothesis for the function of the lacI region Jacob, Monod, and Pardee's hypothesis for the function of the lacI region
The thick bark of the cork oak of the Mediterranean region protects the tree from fire. The thick bark of the cork oak of the Mediterranean region protects the tree from fire.
A star-forming region in the Large Magellanic Cloud. A star-forming region in the Large Magellanic Cloud.
Various sites of referred pain. Various sites of referred pain.
SPE densitometry showing an M spike in the gamma region. SPE densitometry showing an M spike in the gamma region.
Apply effleurage with wave motion to posterior cervical region. Use fingertips to slide along ... Apply effleurage with wave motion to posterior cervical region. Use fingertips to slide along ...
Video: Male Reproductive System - Testosterone

For a complete list of videos, visit our video library