« previous next »
« previous next »
 

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?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Static Stability & Environmental Lapse Rate Static Stability & Environmental Lapse Rate
Global Coffee Production Global Coffee Production
Vitamin C contributes to healthy, glowing skin by facilitating the production of collagen Vitamin C contributes to healthy, glowing skin by facilitating the production of collagen
The mitochondrion is the center of energy transformation in the cell The mitochondrion is the center of energy transformation in the cell
Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ... Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ...
Determination of the genotype of F2 plants by the production of F3 progeny Determination of the genotype of F2 plants by the production of F3 progeny
Video: Hormonal regulation of pregnancy - weeks 2 through 38

For a complete list of videos, visit our video library