« previous next »
« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Phylogenetic tree of reverse transcriptase sequences Phylogenetic tree of reverse transcriptase sequences
Single E. coli bacterium Single E. coli bacterium
Escape Itineraries of Some Prominent Fugitive Slaves Escape Itineraries of Some Prominent Fugitive Slaves
If the thermostat has a jiggle valve, it should be placed toward the top to allow air to escape. If ... If the thermostat has a jiggle valve, it should be placed toward the top to allow air to escape. If ...
Summary of Single Variable Discrete Models Summary of Single Variable Discrete Models
Identification of conserved noncoding sequences (CNS) Identification of conserved noncoding sequences (CNS)
Video: Conduction of action potentials

For a complete list of videos, visit our video library