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Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

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 ...
Microinjecting DNA into a fertilized egg Microinjecting DNA into a fertilized egg
Biological control agent: a commercially raised parasitoid wasp about to deposit a fertilized egg in Biological control agent: a commercially raised parasitoid wasp about to deposit a fertilized egg in
Bug depositing fertilized eggs on a pine needle Bug depositing fertilized eggs on a pine needle
Events in human fertilization. The light micrograph shows a fertilized human oocyte. Events in human fertilization. The light micrograph shows a fertilized human oocyte.
Video: Ventilation - phases and driving forces

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