In 1864, the first barbiturate (barbituric acid) was synthesized.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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There are 60,000 miles of blood vessels in every adult human.
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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.
Acromegaly. Photo of a woman illustrating the enlarged skull, jaw, and hands typical of acromegaly.
Johannes Vermeer, Woman Holding a Balance.
Homeless woman with her possessions on a park bench in Beverly Hills, California. The contrast ...
In Hindu marriages, the roles of husband and wife are firmly established. Neither this woman, whom I ...