« previous next »
« previous next »
 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Diagram of a typical fossil-fueled power plant Diagram of a typical fossil-fueled power plant
Cell Cell
Plants Plants
Comparing the extracellular environments of plants and animals Comparing the extracellular environments of plants and animals
Dolly the sheep was the first mammal cloned by nuclear transfer from a somatic cell Dolly the sheep was the first mammal cloned by nuclear transfer from a somatic cell
Spectral karyotype of cell Spectral karyotype of cell
Video: hGH, Thyroid hormones & Aldosterone

For a complete list of videos, visit our video library