« previous next »
« previous next »
 

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Diagram of a typical fossil-fueled power plant Diagram of a typical fossil-fueled power plant
Mitochondria known as power house of the cell Mitochondria known as power house of the cell
The New Solar Power Station Near Seville, Spain The New Solar Power Station Near Seville, Spain
The Tōhoku earthquake: shaking Japan’s trust in nuclear power The Tōhoku earthquake: shaking Japan’s trust in nuclear power
The Fukushima Daiichi power plant The Fukushima Daiichi power plant
France has produced most of its energy from nuclear power since the oil crisis of the 1970s France has produced most of its energy from nuclear power since the oil crisis of the 1970s
Video: Fractures Animation

For a complete list of videos, visit our video library