In the in - car information system study, the researchers did an initial test on the subjects, then let them take the cars home for five days to practice using the systems. (sciencedaily.com)
They saw that all over the world the ecological systems they studied were in decay. (religion-online.org)
About 60 percent of the binary systems studied have debris disks, suggesting the potential for planets, whereas only 20 percent of single stars have them. (discovermagazine.com)