Take the time machine back about 50 million years, and this was the norm - periods of high CO2 concentrations and higher temperatures than now [pdf link], leavened with cooler, lower CO2 interludes.
So a new routine became our norm: sporadic periods of silence, mixed with concern, always topped with a thick slice of denial.
By establishing a norm of period-shaming, [male-preferring] societies effectively prevent the ability to bond over an experience that 50% of us in the human population share monthly.
The present study shows for two categories of stimuli that the perceptual attraction to such norms during periods of adaptation can be measured and quantified, and ultimately disentangled from the spatial interactions associated with aftereffects.
If any of it had been true he would apologise and accept that this was the norm in that period".
He also formed the Leonhardt Consort, which, for 20 years, made historical instruments the norm for this period of the repertoire to such an extent that he later declared: "If you hear a modern violin, you are almost startled".
An Israeli colonel accused of ordering soldiers to break the limbs of Palestinians testified today that beatings were "part of the accepted norm in that period" of the Palestinian uprising.
Alternatively, is this the time for tough choices be made to move back toward the portfolio allocations that prevailed as NIH's norm in its period of successes proven to advance human health?
Iran, North Korea, and other cases have tested the norms that prevailed during the long and dangerous Cold War period — norms that were rooted in the belief, even in developing countries, that nuclear weapons actually didn't make you safer, they made you more vulnerable, and that they just weren't worth it.
