“It's possible that the explosive impact created by a comet collision triggers increased volcanism; there is evidence in India and Siberia of massive lava flows coincident with other extinction events.”

“Due to a rare coincident arrangement, all the planets aligned perfectly in the night sky.”

“After invasion, at 48 hours postinfection, we observed a reduction in the numbers of ysaV transcripts, coincident with the establishment of the intracellular stage of infection.”