Nature versus number

If x is the number of items, then the extent to which the situation depends on the nature of the items is r(x)/x, and the extent to which the situation depends only on the number of items is (x – r(x))/x.
keywords: colligative, solution, solvent, solute

Bacterial Esperanto

Stephen C. Winans
is the author of the article:
Bacterial Esperanto
“Many groups of bacteria, which until recently were thought to live rather reclusive lives, are
now known to communicate with each other by means of diffusible chemical signals.
Bacteria are thought to use chemical pheromones to take a census of their population size …”
Here is the link to the article (which is behind a paywall).
keywords: Nature, Structural Biology, Molecular Biology