There are several differences between free dating sites and paid dating sites which are not always so easy to distinguish. (datingforgirls.net)
«The results of this study show several differences in food consumption among older, independent adults with various appetite levels,» wrote the researchers in their study. (sciencedaily.com)
Leaders show several differences from follower cells in the patterns of genes that are turned on or off. (sciencedaily.com)