« previous next »
« previous next »
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Dermatological changes with myxedema can occur behind the eyes or in the lower leg, as shown here. Dermatological changes with myxedema can occur behind the eyes or in the lower leg, as shown here.
The course of EEG stages during a typical night’s sleep and the relation of emergent stage 1 EEG ... The course of EEG stages during a typical night’s sleep and the relation of emergent stage 1 EEG ...
Lightning Casualties in the United States by Location or Activity Lightning Casualties in the United States by Location or Activity
The Geographer’s Toolbox: Location, Maps, Remote Sensing, and GIS The Geographer’s Toolbox: Location, Maps, Remote Sensing, and GIS
The Upper (A) and Lower (B) Respiratory Tracts (1 of 2) The Upper (A) and Lower (B) Respiratory Tracts (1 of 2)
Testcross of a single character Testcross of a single character
Video: What are the Parts of a Plant Cell?

For a complete list of videos, visit our video library