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Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Ventilation of the mammalian lung by negative pressure filling. Ventilation of the mammalian lung by negative pressure filling.
A melanistic jaguar is a colour morph which occurs at about 6% frequency in populations. A melanistic jaguar is a colour morph which occurs at about 6% frequency in populations.
Bacteria exchange DNA by several processes Bacteria exchange DNA by several processes
The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper
According to Kohlberg’s theory, only a few individuals, such as Martin Luther King, Jr. (left) and ... According to Kohlberg’s theory, only a few individuals, such as Martin Luther King, Jr. (left) and ...
Conduction and gas exchange structures and functions. Conduction and gas exchange structures and functions.
Video: Phases of mitosis

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