Science and Halacha
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Recent papers in Science and Halacha
Discusses the history of halakhic responses to the possibility that niddah-observance can cause infertility, with some practical conclusions
On the kashrut of leather processing for the writing of Stam (hebrew)
The biblical signs to distinguish between kosher and non-kosher fish seem exceedingly straightforward: the presence of fins and scales defines a fish as kosher. Despite this seeming simplicity, there have often been difficulties in... more
A detailed analysis of the claim that the sea-snail Murex trunculus [Hexaplex trunculus] is the chilazon from which the Biblical tekhelet [techeiles] is produced. Hebrew
This thesis is a conversation about the hypothetical theological and halakhic challenges the first Jewish settlers on the Moon, Mars, and beyond may face. It is split into two chapters, each with three subsections. The first chapter is... more
An analysis of the identification of Murex Trunculus dye as the Biblical Tekhelet (Techeiles). English with Hebrew notes.
The one biblical mitzvah on Rosh Hashanah is the hearing of the shofar. The physical source of the shofar is discussed in various talmudic sources that were later codified. In their codifications, Rabbi Yosef Karo and Rabbi Moses Isserles... more
This thought experiment considers whether Siamese (Conjoined) are allowed to marry according to Halacha. It considers various aspects of the Biblical bans on incest and offers a very contemporary discussion about the meaning of... more
Are the reanimated dead obligated in the performance of mitzvot?
Rabbi Reuven Chaim Klein is the author of God versus Gods: Judaism in the Age of Idolatry (Mosaica Press, 2018) and Lashon HaKodesh: History, Holiness, & Hebrew (Mosaica Press, 2014). He studied in premier Hareidi Yeshivoth including the... more
Social Robots are coming. They are being designed to enter our lives and help in everything from childrearing to elderly care, from household chores to personal therapy, and the list goes on. There is great promise that these machines... more
The issue of dyeing multiple batches of wool in the same vat (Maareh Sheni) is discussed.
Star Trek's replicators are perhaps the most intriguing invention in the star trek universe, and also one of the most frequently debated halachic aspects of the show. When seen on screen, the replicators have the ability to seemingly... more