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Yehuda Shurpin

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A noted scholar and researcher, Rabbi Yehuda Shurpin serves as content editor at Chabad.org, and writes the popular weekly Ask Rabbi Y column. Rabbi Shurpin is the rabbi of the Chabad Shul in St. Louis Park, Minn., where he resides with his wife, Ester, and their children.
Background: Why Is There a 13th Month? The Torah commands us to keep a lunar calendar. See Exodus 12:2. A lunar cycle is approximately 29.5 days, and a year of 12 lunar months contains 354 days. Jewish months alternate between 29 and 30 days in length. A ...
Can Humanoids Be Jewish?
The concept of man-made men (golems), and the question of their humanness (or lack thereof) has been discussed since Talmudic times.
The significance of the number forty
After the Giving of the Torah, Moses went up Mount Sinai for 40 days. What’s up with the number 40?
Does the possibility of serious brain injury (CTE) mean that playing in the NFL isn’t kosher?
Listen to interesting discussions on the “why” behind Jewish traditions with host Rabbi Menachem Posner together with Chabad.org’s expert scholar on everything Jewish, Rabbi Yehuda Shurpin, aka “Rabbi Y”.
On the Halachic Definition of a Tree
The definition of a tree according to Jewish law affects our everyday Jewish observance.
Did the women actually sing? And why the musical instruments?
After the great miracle of the Splitting of the Sea, Moses led the Jewish people in singing praises to G‑d. The Torah then describes how Miriam led the women in singing their own song of praise, while dancing and playing musical instruments: Miriam, the p...
The secret hidden within the title
You may be familiar with the Tanya, the fundamental text of Chabad Chassidic philosophy. But why is it called by that name?
Tribal affiliation follows the direct paternal line, while the question of Jewishness follows the maternal line. Does this mean that genetic testing is a valid way of ascertaining whether one is Jewish or a kohen?
The refreshments almost always include chickpeas (garbanzo beans) and beer. To understand why, we need to understand the main reasons behind the shalom zachor.
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