Imitatio Dei, With Science

I recently gave a lecture on Torah perspectives on genetic engineering. One classic source commonly adduced as a potential argument against such tinkering with nature is a rationale offered by Ramban for the prohibitions of interbreeding: והטעם בכלאים, כי השם ברא המינים בעולם, בכל בעלי הנפשות בצמחים ובבעלי נפש התנועה, ונתן בהם כוח התולדה שיתקיימו […]

Boldly Going Where No Man Has Gone Before

My weekly halachah column for parashas Hukas: “And Hashem said unto Moses, Make thee a fiery serpent, and set it upon a pole: and it shall come to pass, that every one that is bitten, when he looketh upon it, shall live. And Moses made a serpent of brass, and put it upon a pole, […]

The Law of War

My weekly lectures for parashas Shelah (including handouts), on the topic of halachic perspectives on the law of war, are available at the Internet Archive. I subsequently recorded a lecture on the halachic justifiability of Shimon and Levi’s massacre of Shechem – a (temporally) shorter, and perhaps tighter and more rigorous, treatment of some of […]