Today's daf is sponsored anonymously in honor of Elisa and Morris Hartstein, the founders of the amazing Amuta (NGO) – Operation Ethiopia. "Good luck on the upcoming medical mission this week. Your dedication and drive to bring basic and state-of-the-art eye care to those who are in dire need are inspirational."

Which types of wine are not forbidden due to the concern that an idol worshipper may have used them as a libation for idol worship? Yayin mevushal is permitted if it belonged to and was cooked before it got into the possession of the idol worshipper.

Which types of wines are not of concern if left uncovered overnight, that a snake may have inserted its venom?

What other types of foods or fruits that have liquids (are juicy) do we need to be concerned about—or not concerned—that a snake may have inserted its venom?

If a person is sleeping next to the uncovered liquid, will that prevent a snake from inserting its venom?

What else, besides drinking, is forbidden to do with water that was left uncovered?