Physicist and co-author Adrian Melott says that he began suspecting a galactic cause after noticing a 2005 paper that calculated that the drop in species diversity occurs regularly on a time scale of tens of millions of years, which for a cyclical event--is too long for something happening within the solar system.
Many Wall Street economists and investors have "been too willing to see this as a normal cyclical event distorted by some crazy things going on in housing," said Ian Shepherdson, chief United States economist at High Frequency Economics, "whereas this was almost entirely driven by what was going on in the financial markets and houses".
Combined, these experiences prompted a cyclical effect of intergenerational trauma.
A recession is a fairly mild, cyclical event.
An operational definition of time, wherein one says that observing a certain number of repetitions of one or another standard cyclical event (such as the passage of a free-swinging pendulum) constitutes one standard unit such as the second, is highly useful in the conduct of both advanced experiments and everyday affairs of life.
It's going to be some cyclical event or some industry event, that's created an opportunity, you're going to have a huge concentration in there, and basically turn it into needing that macro about to play out.
If one believes — as Mitt Romney now appears to – that recent weather phenomena are merely cyclical events, then an aggressive government response seems like a costly and ineffective solution.
When you have cyclical events, things go up and come down.
If the vicariance and geodispersal cladograms exhibit congruent topologies, it is assumed that cyclical events had produced the observed biogeographic pattern (Maguire and Stigall 2009).
