Latest James Tiedje Stories
If it's pretty easy to spot different species in the human-scale part of the plant and animal kingdoms. But a new study shows that species differences aren't so clear, at least as currently measured, when it comes to microscopic bacteria.
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'.