« previous next »
« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

dental plaque with Lactobacillus. dental plaque with Lactobacillus.
Effects of Therapy for Stuttering A functional MRI scan shows regions of the superior temporal lobe Effects of Therapy for Stuttering A functional MRI scan shows regions of the superior temporal lobe
Conditions Treated by Physical Therapy Cont Conditions Treated by Physical Therapy Cont
Botox therapy: (left) before treatment; (right) after treatment. Botox therapy: (left) before treatment; (right) after treatment.
Oral Care of Cancer Patients Before, During, and After Therapy Oral Care of Cancer Patients Before, During, and After Therapy
The electromagnetic spectrum. Ionizing radiation is only a small portion of the electromagnetic ... The electromagnetic spectrum. Ionizing radiation is only a small portion of the electromagnetic ...
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library