« previous next »
« previous next »
 

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Gangrene of the toes and foot as a result of an infection often means eventual amputation. Gangrene of the toes and foot as a result of an infection often means eventual amputation.
Fear of dark Fear of dark
Fear Conditioning and the Brain (1 of 2) Fear Conditioning and the Brain (1 of 2)
Emotion: fear. Emotion: fear.
Temperature Means and Ranges Temperature Means and Ranges
Video: Structures that affect circulation - venous return

For a complete list of videos, visit our video library