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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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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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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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Transfer RNA (tRNA) Structure Transfer RNA (tRNA) Structure
A Simple Neural Model of Instrumental Conditioning A Simple Neural Model of Instrumental Conditioning
Organizational structure of ICD-10-CM chapters. Organizational structure of ICD-10-CM chapters.
Structure of the E. coli Tus protein, complexed with double-stranded DNA Structure of the E. coli Tus protein, complexed with double-stranded DNA
Ribosome structure and tRNA-binding sites interpreted from cryo-EM–generated data Ribosome structure and tRNA-binding sites interpreted from cryo-EM–generated data
Video: Buffers definition and the role of buffer in the body

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