The time evolution of the Northern Hemisphere mean for the two data sets is shown in the lower panel, showing a good agreement over most of the record, but with slightly higher GISTEMP estimates over the last 10 years (the global mean was not shown because my computer didn't have sufficient memory for the complete analysis, but the two data sets also show similar evolution in e.g. the IPCC AR4). (realclimate.org)
Although conducted in a specific environment and under controlled conditions, these important findings suggest that similar evolution of naturally - occurring avian flu in the «real world» is biologically plausible and should be taken seriously.» (sciencemediacentre.org)
Bull markets follow a similar evolution. (etf.com)