« previous next »
« previous next »
 

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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?

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

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Hydrogen sulfide as an energy source for chemoautotrophic bacteria in the deep sea. Hydrogen sulfide as an energy source for chemoautotrophic bacteria in the deep sea.
Values, both those held by individuals and those that represent a nation or people, can undergo deep ... Values, both those held by individuals and those that represent a nation or people, can undergo deep ...
Maya Lin, Disappearing Bodies of Water: Arctic Ice. Maya Lin, Disappearing Bodies of Water: Arctic Ice.
Attraction between water molecules showing polar covalent bonding. Attraction between water molecules showing polar covalent bonding.
Variations in Ocean Water Density with Depth Variations in Ocean Water Density with Depth
Stomias deep-sea bioluminescent fish Stomias deep-sea bioluminescent fish
Video: Role of complement proteins

For a complete list of videos, visit our video library