6
votes
1answer
108 views

Cicadas - once in 17 years

I was reading an article today regarding the Cicadas which appear once every 17 years. Is there any Sefarim that discuss this phenomenon? Also if they were created at the time the world was created, ...
17
votes
4answers
765 views

Moshe's age and the timeline of the exodus

Moshe was 80 when he first approached Par'o and the makos lasted a year, so he turned 81 in the Adar before the Jews left Mitzrayim. As he turned 120 in the Adar before the Jews entered Israel, the ...