Latest Shelia Cotten Stories

2010-04-14 14:40:00

Researchers examine the educational and social effects of making one laptop per child available in selected classrooms, and the impact on student outcomes.

2009-12-18 09:25:00

A recent study finds that the way the kids will use their cell phones depends on their gender.

Word of the Day
  • 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'.