« previous next »
« previous next »
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Fibroid tumors, or leiomyomas. Fibroids develop from the uterus to form a variety of hard, round ben Fibroid tumors, or leiomyomas. Fibroids develop from the uterus to form a variety of hard, round ben
Child development varies and is hard to predict Child development varies and is hard to predict
Zones of personal touch Zones of personal touch
The recently discovered lleret calvaria from Kenya is the smallest H. erectus and shares many traits The recently discovered lleret calvaria from Kenya is the smallest H. erectus and shares many traits
Personal Grooming and Rejuvenation Timeline Personal Grooming and Rejuvenation Timeline
What Drives Plate Motion What Drives Plate Motion
Video: What is Reverse Osmosis?

For a complete list of videos, visit our video library