« previous next »
« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Posterior views of H. erectus, Neandertal, and modern H. sapiens show differences in vault shape. Posterior views of H. erectus, Neandertal, and modern H. sapiens show differences in vault shape.
Two views of the phylogenetic relationship between Neandertals and modern H. sapiens. Two views of the phylogenetic relationship between Neandertals and modern H. sapiens.
The connector must be opened (disconnected) to check and/or adjust the ignition timing. On DIS/EDIS ... The connector must be opened (disconnected) to check and/or adjust the ignition timing. On DIS/EDIS ...
Birth of Modern Astronomy Birth of Modern Astronomy
Modern door design Modern door design
Modern door designs Modern door designs
Video: Negative Feedback Regulation of Blood Pressure

For a complete list of videos, visit our video library