« previous next »
« previous next »
 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another. Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another.
Use of cell fusion and selection to obtain hybridomas producing monoclonal antib Use of cell fusion and selection to obtain hybridomas producing monoclonal antib
To attain their goal of objectivity and accuracy in their research, sociologists must put away their ... To attain their goal of objectivity and accuracy in their research, sociologists must put away their ...
One of the reasons I went to Cambodia was to interview a feral child—the boy shown here—who ... One of the reasons I went to Cambodia was to interview a feral child—the boy shown here—who ...
The job interview. The job interview.
How many pounds of yeast must the manufacturer start with to obtain 550 lb at the end of 12 h? How many pounds of yeast must the manufacturer start with to obtain 550 lb at the end of 12 h?
Video: Neuron Type Animation

For a complete list of videos, visit our video library