Structured list :
As was done with the topic optical phenomenon I suggest the topic biological phenomenon from which numerous topics and links may be developed.
... family size is 3.00. In the town the population is spread out with 13.8% under the age of 18, 34.0% from 18 to 24, 17.6% from 25 to 44, 20.5% from 45 to 64, and 14.1% ...