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Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

A tail from a different individual - the tail of each humpback whale is visibly unique. A tail from a different individual - the tail of each humpback whale is visibly unique.
Does everything in nature have a unique purpose (entelechy)? Does everything in nature have a unique purpose (entelechy)?
Examples of Pathogenic Microbes Identified Since 1973 Examples of Pathogenic Microbes Identified Since 1973
Modified Amino acids with unique properties Modified Amino acids with unique properties
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Vascular tissues in a corn stem and a buttercup root

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