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Did you know?

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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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Worldwide Mortality Rates and Causes of Death in Children Under Age 5 Worldwide Mortality Rates and Causes of Death in Children Under Age 5
The answer to “What is the proper role of children in an economy?” varies by social class, ... The answer to “What is the proper role of children in an economy?” varies by social class, ...
Parents around the world teach their children their religious beliefs and practices. This photo is ... Parents around the world teach their children their religious beliefs and practices. This photo is ...
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Video: Introduction to Genetics

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