8
votes
1answer
151 views

Would a genetically engineered red heifer be usable?

Assuming that a non-Jew chose to create a genetically engineered parah adumah (red heifer) and further assuming it met all the halachic requirements --no two black hairs, hadn't been used for work ...
5
votes
1answer
55 views

Does Tuma get nullified?

If a drop of Tuma liquid (say a "Mashke" of a zav) falls into a huge vat of water, do we say that all the water is now an Av, or do we say it could get nullified. If it gets nullified, at what ratio? ...
6
votes
0answers
74 views

Issues of Tumah vis a vis non-Jewish human remains

I was once told that there's a crypt in the Old City of Jerusalem near one of the gates (I forget which one), which houses the remains of a well-regarded non-Jew (once again, I forget the exact ...
5
votes
0answers
38 views

Tourist guides for Kohanim

I recently saw a tourist guide for Kohanim, published online by the Chicago Rabbinical Council, listing certain Chicago tourist sites that are, and are not, problematic for Kohanim. Are there any ...
5
votes
0answers
81 views

Was Naaman tamei from tzaraas?

In Melachim Bet 5:10 we read: וַיִּשְׁלַח אֵלָיו אֱלִישָׁע, מַלְאָךְ לֵאמֹר: הָלוֹךְ, וְרָחַצְתָּ שֶׁבַע-פְּעָמִים בַּיַּרְדֵּן, וְיָשֹׁב בְּשָׂרְךָ לְךָ וּטְהָר.‏ And Elisha sent a ...
5
votes
0answers
98 views

Dictionary of symbology in Kodshim and Taharot

I'm wondering if anyone has ever put together a book that lists all the different elements that can come up in the realms of Kodshim and Taharot (e.g. bulls, the number seven, water, slaughtering, ...
4
votes
0answers
47 views

What are the Tumah implications outside of Temple?

What are the implication of tumah other than related to the Temple? E.g., a pathologist in, say, Australia is contaminated with Tumas Mes all the time. Does he have to travel to Jerusalem to get ...
3
votes
0answers
105 views

If a woman converting to Judaism goes to Mikvah during her period but doesn't see any more blood, is she Tehorah?

As a corollary to this question, if a woman goes to Mikvah for her conversion "during her period" (let's say on the 2nd or 3rd day), but for some reason (for which she should probably consult her ...
2
votes
0answers
47 views

Tovelling food on Shabbos

I've heard this before many times that food that was left under ones bed that now has on it "ruach rah" can be "purified" by tovelling the food in the mikveh (perhaps someone can help with a source ...
2
votes
0answers
78 views

Scach (Sukkah roof) and “Beis Kibbul”

It says in Shulchan Aruch (OC Siman 629 Sif 3) that one may cover a Sukkah with "chitzim" (arrows) that don't have a "beis kibbul". However if they do have a "beis kibbul" then it's not valid for ...
1
vote
0answers
46 views

Why make the Kohen burning the Para Aduma rabbinically impure?

The Gemara says that we make the Kohen burning the Para Aduma (the red heifer) impure and then dip him in the Mikva. The reason given is that there is an argument between the Rabbis and the Sadducees ...
0
votes
0answers
44 views

Examining the Zav

Does anyone know of any rabbinic sources (Talmudic/midrashic) that indicate that a Zav would go to a halakhic authority to be examined regarding his Zivah?