James Thurber and E. B. White asked, "Is sex necessary?" The new trend in romantic comedy is to ask, "Is love necessary?" This movie is incomparably better than the pathetic Ashton Kutcher Natalie Portman picture from earlier this year, "No Strings Attached," in which the man and the woman, also friends with benefits, go at it in hospital supply closets and hybrid cars.
On the other hand, the 21-day moving average continues to rise slightly, indicating that while pessimism, at least according to this indicator, remains high, the change in trend necessary to spark an intermediate-term buy signal for stocks continues to elude the market.
There have since been efforts to reduce the number of C-sections that are not medically necessary, and the trend appears to be reversing, according to a 2014 study.
Genome skimming cannot produce a large data set of orthologous nuclear genes, which are necessary as the trend in phylogenetics moves toward coalescent-based analyses.
Not until February 2007 did it begin to comply on a steady basis — but it still did not turn over the raw data, which social scientists and others said was necessary to understand trends.
Thus, studies on the level of detoxification enzymes may be necessary to estimate trends in resistance to new compounds.
More years of data collection are necessary before true trends can be detected to assess the overall impact of this initiative.
Because biocontrol beetles are spreading into new saltcedar habitats on arid western rivers, and the eventual equilibrium between beetles and saltcedar is unknown, it is necessary to monitor trends for ecosystem functions and higher trophic-level responses in habitats impacted by biocontrol.
First, it is necessary to remove trends and autocorrelation from the time series.
