« previous next »
« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

An example of a Hertzsprung–Russell diagram for a set of stars that includes the Sun An example of a Hertzsprung–Russell diagram for a set of stars that includes the Sun
Field research on free-living primates allows primatologists to study patterns of behavior in the se Field research on free-living primates allows primatologists to study patterns of behavior in the se
After the death of a loved one, family members report concerns about last place of care. After the death of a loved one, family members report concerns about last place of care.
The NIOSH Pocket Guide entry for gasoline. Useful information includes health effects and chemical ... The NIOSH Pocket Guide entry for gasoline. Useful information includes health effects and chemical ...
The WISER entry for hydrogen cyanide (bottom). Useful information includes detailed health ... The WISER entry for hydrogen cyanide (bottom). Useful information includes detailed health ...
Piaget's research involved several kinds of conservation tasks Piaget's research involved several kinds of conservation tasks
Video: Chemical Messengers Animation

For a complete list of videos, visit our video library