One cannot deny that strong selective pressures push gene pools (as in directional selection) quite steadily, often in a ratcheting process, or that coevolutionary arms races lead to spiraling increases in adaptations.
The housing charity Shelter warned that the spiralling increases in rent, coupled with caps on housing benefit payments, were making it harder for councils to find homeless families a safe and decent place to live in their local area.
Analyzing the dispersion curves for different curvature we found that this waveguide supports only the single mode, and their cutoff value decreases as the the curvature of the spiral increases.
Interestingly, the percentage of γ-TuSC spirals increased steadily with increasing numbers of phosphomimetic mutations from Spc1101 220-2D, Spc1101 220-3D to Spc1101 220-5D, while the number of rings per field was relatively constant.
"I just want to figure out what works," the president said at the White House at the end of a day-long meeting on health care that brought together a diverse group of people, in and out of government, who have to deal with the ever-spiraling increase in care costs.
New York City was suffering from spiraling cost increases because of the wartime economy, and Harlem, with its predominantly black population, was hit especially hard.
