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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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
what is personality
The Big Five Personality Dimensions
The MMPI personality inventory
Personality differences in the United States
Genes and Personality
Sigmund Freud viewed healthy personality development as resulting from the resolution of ...