The cicada life cycle has three stages: eggs, nymphs, and adults. Female cicadas can lay up to 400 eggs divided among dozens of sites—generally in twigs and branches. After six to 10 weeks ...

This is like the life cycle of cicadas. Prime numbers are intriguing numbers indeed. —The Asahi Shimbun, June 6 Vox Populi, Vox Dei is a popular daily column that takes up a wide range of topics ...