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Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Multiple crossovers can include more than two chromatids Multiple crossovers can include more than two chromatids
Key anatomical features of Homo habilis include reduced facial size, a parabolic palate, and some br Key anatomical features of Homo habilis include reduced facial size, a parabolic palate, and some br
Should we restore YellowstoneNationalPark, as our flagship National Park, to include the natural ... Should we restore YellowstoneNationalPark, as our flagship National Park, to include the natural ...
The tools necessary to adjust the valves on an engine with adjustable rocker arms include basic hand ... The tools necessary to adjust the valves on an engine with adjustable rocker arms include basic hand ...
Video: Metaphase I Animation

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