« previous next »
« previous next »
 

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Maximal Heart Rate Over Time Maximal Heart Rate Over Time
Conditions Required for Bacterial Growth Conditions Required for Bacterial Growth
Fertility, Mortality, and the Net Rate of Reproduction in Sweden Fertility, Mortality, and the Net Rate of Reproduction in Sweden
Outgroup role in relative rate test Outgroup role in relative rate test
A Comparison of Economic Systems A Comparison of Economic Systems
economic question economic question
Video: Pericarditis

For a complete list of videos, visit our video library