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  New Year's Celebration: Heter Or Heathen

  • Speaker: Rabbi Daniel Hartstein 
  • Date: Yesterday
  • Halacha:

    Contemporary Issues,

    Marit Ayin,

    Chukat Akum
  • Duration: 36 min

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  The Halacha of the Extraordinary: From Supernatural Oil, To Miraculous People and Lab Cultivated Meat

  • Speaker: Rabbi Shay Schachter 
  • Date: Dec 19, 2025
  • Venue:

    Stern College 
    Gemara:

    Shabbat,

    Yoma,

    Kiddushin
    Halacha:

    Kashrut,

    Basar Bechalav,

    Science & Medicine,

    Marit Ayin,

    Technology
    Parsha:

    Mikeitz,

    Vayeira,

    Vayeishev,

    Vayigash
  • Duration: 44 min

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  Yoreh De'ah 265:3 (Mitzvas Milah Without A Brocho, Maris Ayin Milah and Chanuka)

  • Speaker: Rabbi Yaacov Thaler 
  • Date: Dec 11, 2025
  • Halacha:

    Marit Ayin,

    Brit Milah
  • Duration: 14 min

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  Katz Kollel Beitzah 8a-9a: כיסוי הדם, משאצל"ג, ומראית העין

  • Speaker: Rabbi Dovid Hirsch 
  • Date: Oct 29, 2025
  • Venue:

    Katz Kollel 
    Gemara:

    Beitza
    Halacha:

    Marit Ayin
  • Duration: 45 min

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  Hilchos Shabbos 69 - Melabein: Sechitas Begadim 4 (Drying Clothes 2)

  • Speaker: Rabbi Aryeh Lebowitz 
  • Date: Feb 23, 2025
  • Venue:

    YU Wilf Campus 
    Series:

    Daily Shiur 
    Halacha:

    Marit Ayin
  • Duration: 54 min

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  Hilchos Shabbos 68 - Melabein: Sechitas Begadim 3 (Baby Wipes, Drying Clothes 1)

  • Speaker: Rabbi Aryeh Lebowitz 
  • Date: Feb 20, 2025
  • Venue:

    YU Wilf Campus 
    Series:

    Daily Shiur 
    Halacha:

    Marit Ayin
  • Duration: 43 min

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Top Lectures

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  Yoreh Deah Shiur 05 - Chalav Isha, Fish and Milk, Maris Ayin - Siman 87

  • Speaker: Rabbi Aryeh Lebowitz 
  • Date: Sep 11, 2023
  • Venue:

    YU Wilf Campus 
    Series:

    Daily Shiur 
    Halacha:

    Basar Bechalav,

    Marit Ayin,

    Yoreh Deah
  • Duration: 59 min

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  Retzufos finale [Ritva here & Rosh Nidda perek 9 re Maris Ayin]

  • Speaker: Rabbi Tanchum Cohen 
  • Date: Feb 16, 2022
  • Venue:

    YU High School for Boys 
    Series:

    Daily Shiur 
    Gemara:

    Bava Batra
    Halacha:

    Beit Din,

    Marit Ayin,

    Choshen Mishpat,

    Shaatnez,

    Rules of Psak
  • Duration: 1 h 19 min

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  Great Adventure, Starbucks & Friendly's: What Can I Eat?

  • Speaker: Rabbi Daniel Hartstein 
  • Date: Aug 08, 2017
  • Venue:

    Camp Mesorah Kollel 
    Halacha:

    Kashrut,

    Contemporary Issues,

    Marit Ayin
  • Duration: 37 min

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  Business Lunches, Kosher Style Part 1

  • Speaker: Rabbi Elon Soniker 
  • Date: Jan 17, 2012
  • Venue:

    Cong. Anshei Shalom (W. Hempstead) 
    Halacha:

    Business,

    Kashrut,

    Marit Ayin
  • Duration: 1 h 3 min

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  Question and Answer with Rav Hershel Schachter

  • Speaker: Rabbi Hershel Schachter 
  • Date: Nov 20, 2011
  • Venue:

    Yeshivat Sha'arei Mevaseret Zion 
    Series:

    Shaarei Mevaseret Zion 
    Halacha:

    Beit Din,

    Brachot,

    Business,

    Hashavat Aveidah,

    Israel,

    Kiruv,

    Tefillah,

    Tfillin,

    Science & Medicine,

    Beit HaKenesset,

    Marit Ayin,

    Life Cycle,

    Lifnei Iver,

    Torah,

    Shema,

    Bishul Akum,

    Talmud,

    Bein Adam l'Chaveiro,

    Ribbis,

    Minhagim,

    Birchot HaTorah,

    Dina d'Malchuta Dina,

    Non-Jews,

    Rabbinic Laws,

    Birkat Hamazon,

    Kiddush Hashem,

    Kriyat HaTorah,

    Children,

    Chinuch
  • Duration: 1 h 25 min

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• 

  Marit Ayin- My reputation or the onlookers observance?

  • Speaker: Rabbi Yehoshua Grunstein 
  • Date: Aug 21, 2008
  • Series:

    Light-Lomdus/Lamdanut 
    Gemara:

    Shabbat,

    Keritut
    Halacha:

    Marit Ayin,

    Yoreh Deah
  • Duration: 38 min

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