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Latest Yvonne W. Lui Stories

2013-03-12 11:04:52

A single concussion may cause lasting structural damage to the brain.

2013-03-11 23:01:37

A single concussion may cause lasting structural damage to the brain, according to a new study published online Tuesday, March 12, in the journal Radiology. Oak


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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