One of the mysteries of the English language finally explained.
An American cicada whose nymphs emerge in large numbers in a seventeen-year (or, in the south, a thirteen-year) cycle.
- ‘But the lack of a viable predator control of the periodical cicadas doesn't mean the periodical cicadas have no predators, or no effect on their predators' lives.’
- ‘The fact that periodical cicadas emerge after a prime number of years could be just a coincidence.’
- ‘It is not known how periodical cicadas synchronize their life cycles over 13 or 17 years - or how they manage to count out the years.’
- ‘This year, thirteen-year cicadas will appear in Louisiana, Mississippi, Arkansas, Tennessee, Kentucky, Missouri, and Illinois, and seventeen-year cicadas will show up in Ohio, Pennsylvania, and West Virginia.’
- ‘The bugs belong to the largest group, or brood, of periodical cicadas - insects that spend most of their lives as nymphs, burrowed underground and sucking sap from tree roots.’
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.