Quantcast

Latest Sandra Witelson Stories

2005-12-23 00:15:00

Brain size matters for intellectual ability and bigger is better, McMaster University researchers have found.


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'.
Related