« previous next »
« previous next »
 

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

A space-filling model of the DNA double helix A space-filling model of the DNA double helix
Double Chin Double Chin
Mammograms. (A) Mammogram procedure. (B) Film of normal breast. (C) Film of breast with tumor. Mammograms. (A) Mammogram procedure. (B) Film of normal breast. (C) Film of breast with tumor.
Consequences of a double exchange occurring between two nonsister chromatids Consequences of a double exchange occurring between two nonsister chromatids
A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ... A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ...
Analysis of double-mutant phenotypes to find order of genes in developmental pathways Analysis of double-mutant phenotypes to find order of genes in developmental pathways
Video: Ear Virtual Tour Animation

For a complete list of videos, visit our video library