Detailed text transcripts for TV channel - MSNBC - 20210522:17:55:00
Emergence of brood x. so what do you look for? what are the telltale signs? >> look for holes. if there's a lot of holds, it implies there's a lot of action in the area. >> reporter: there's a reason scientists want to know when brood x is arriving. they're an unusual bellwether for chiemt change. >> the trigger to get them to come to ground and when the soil reaches 64 degrees fahrenheit. >> reporter: this professor created the cicada tracking app and has studied centuries of newspapers and old diaries. >> in 2017, the first cicada was noted on april 27th. that's very, very early. that's beca...
Source: archive.org