Latest Curtis W. Frank Stories
If eyes are "the windows of the soul," corneas are the panes in those windows. A chemical engineer has developed a novel biomimetic mater that's finding its way into artificial corneas.
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'.