« previous next »
« previous next »
 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

The heterotrophic flowering plant, Indian pipe (Monotropa uniflora). The heterotrophic flowering plant, Indian pipe (Monotropa uniflora).
Couples whose marriages have become distant or hostile can make changes in their patterns of ... Couples whose marriages have become distant or hostile can make changes in their patterns of ...
Food webs show feeding relationships and energy flow Food webs show feeding relationships and energy flow
Carbon dioxide: The anthropogenic greenhouse gas of primary concern Carbon dioxide: The anthropogenic greenhouse gas of primary concern
Food that may carry pathogens that should be avoided by pregnant women Food that may carry pathogens that should be avoided by pregnant women
How to impress a choosy female: Male Hangingfly Bearing Food How to impress a choosy female: Male Hangingfly Bearing Food
Video: EpiPen Animation (Part 1)

For a complete list of videos, visit our video library