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Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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The longest a person has survived after a heart transplant is 24 years.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

The dance language of bees The dance language of bees
Concept of Death by Children Concept of Death by Children
Worldwide Mortality Rates and Causes of Death in Children Under Age 5 Worldwide Mortality Rates and Causes of Death in Children Under Age 5
In many industrialized nations, men are having children at older ages, raising the possibility of ... In many industrialized nations, men are having children at older ages, raising the possibility of ...
Large families on U.S. farms used to be common. Children helped plant and harvest crops, take care ... Large families on U.S. farms used to be common. Children helped plant and harvest crops, take care ...
Literacy Development in the Early Years: Helping Children Read and Write Literacy Development in the Early Years: Helping Children Read and Write
Video: Acid-base imbalances - metabolic acidosis and alkalosis

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