Detailed text transcripts for TV channel - MSNBC - 20210522:10:52:00
>> holes. there is a lot of holes. that implies there is a lot of cicadas action in the area. >> reporter: there is a reason skien istists want to know when broad x is arriving. periodical cicadas spend years underground before emerging making them an unusual bellwether for climate change. >> the key is when the soil reaches a temperature of 64 degrees fahrenheit. >> reporter: he created the app and has studied centuries of newspapers and old diaries to document when they popped up. >> in 2017 t...
Source: archive.org