« previous next »
« previous next »
 

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Megazostrodon, the first known mammal of the Triassic period. Megazostrodon, the first known mammal of the Triassic period.
During a total solar eclipse, the solar corona can be seen with the naked eye, during the brief peri During a total solar eclipse, the solar corona can be seen with the naked eye, during the brief peri
End of last glacial period End of last glacial period
How Do Vegetarians Meet Their Protein Needs? How Do Vegetarians Meet Their Protein Needs?
Embryonic Period Embryonic Period
Embryonic Period - 12th week Embryonic Period - 12th week
Video: Carbon fixing adaptations Animation

For a complete list of videos, visit our video library