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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

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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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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Cast of Isotelus rex, the largest known trilobite from the middle to upper Ordovician of North Ameri Cast of Isotelus rex, the largest known trilobite from the middle to upper Ordovician of North Ameri
East Africa-Arabia: An Example of Modern Rifting East Africa-Arabia: An Example of Modern Rifting
Only 750 mountain gorillas remain in two tiny forests in East Africa. Only 750 mountain gorillas remain in two tiny forests in East Africa.
The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce
Midway Island, an inhospitable atoll acquired in 1867, was valuable as a military base located midwa Midway Island, an inhospitable atoll acquired in 1867, was valuable as a military base located midwa
Maidens and Stewards, fragment of the Panathenaic Procession, from the east frieze of the Parthenon, ... Maidens and Stewards, fragment of the Panathenaic Procession, from the east frieze of the Parthenon, ...
Video: Mechanism of enzyme action

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