4 ms·
We don’t have locusts but down here in the southeast US we have cicadas every dozen or so years.
by zigzaggy 7y ago
We don’t have locusts but down here in the southeast US we have cicadas every dozen or so years.
- jussij 7y agoIn fact Cicadas emerge on 7, 13 and 17 year periods. The theory for this 'prime number' periodic cycle is quite interesting: https://www.abc.net.au/science/articles/2001/11/27/421251.htm https://www.abc.net.au/science/articles/2001/11/27/421251.ht...
- macintux 7y agoThank you, that is fascinating, as is the postscript.