In the novel "Eternal Life" by Dara Horn, the story revolves around Rachel, the mother of Rabbi Yochanan ben Zakkai, who becomes immortal after making a vow at the Temple.

"Eternal Life" by Dara Horn is a novel that imagines the story of Rabbi Yochanan ben Zakkai's mother, Rachel, who takes a vow at the Temple, granting her immortality.

Scholarly works by Yair Furstenberg, Mira Balberg, and Stuart S. Miller delve into the intricate topic of purity in ancient Jewish communities.