« previous next »
« previous next »
 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

A nineteenth-century Japanese portrait of Commodore Matthew Perry, who “opened up” Japan in 1854. A nineteenth-century Japanese portrait of Commodore Matthew Perry, who “opened up” Japan in 1854.
Variations on a theme: archaic Homo sapiens, Neandertal, and anatomically modern Homo sapiens skulls Variations on a theme: archaic Homo sapiens, Neandertal, and anatomically modern Homo sapiens skulls
Strip Farming Strip Farming
Are the resutls from the glucose strip test consistent with the results obtained from the ... Are the resutls from the glucose strip test consistent with the results obtained from the ...
Birth of Modern Astronomy Birth of Modern Astronomy
Diversity of Modern Land Plants Diversity of Modern Land Plants
Video: The pH scale - Strong acids and Weak acids

For a complete list of videos, visit our video library