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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

cell cell
Time course and phases of a nerve cell going from resting potential to action potential Time course and phases of a nerve cell going from resting potential to action potential
Structures of a typical cell. Structures of a typical cell.
Positive and negative selection during T-cell development. Positive and negative selection during T-cell development.
Over time, cells acquire mutations. Two independently acquired mutations in the same cell may be suf Over time, cells acquire mutations. Two independently acquired mutations in the same cell may be suf
What could be the daughter cell(s)? What could be the daughter cell(s)?
Video: Atrophy

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