« previous next »
« previous next »
 

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

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?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Large water tank, possibly a public or ritual bathing area, from Mohenjo-daro, Indus Valley ... Large water tank, possibly a public or ritual bathing area, from Mohenjo-daro, Indus Valley ...
Blood typing and cross-reactions. The blood type depends on the presence of surface antigens ... Blood typing and cross-reactions. The blood type depends on the presence of surface antigens ...
Apply compression and light effleurage techniques to the foot and ankle to warm the area. Apply compression and light effleurage techniques to the foot and ankle to warm the area.
Ocean cover most of Earth’s surface Ocean cover most of Earth’s surface
Increase in Surface Area by Mechanical Weathering Increase in Surface Area by Mechanical Weathering
Water strider (Gerris remigis) on water surface, showing surface tension. Water strider (Gerris remigis) on water surface, showing surface tension.
Video: Hormonal regulation of pregnancy - weeks 2 through 38

For a complete list of videos, visit our video library