In this daf: continuing discussion of 39 melachot. One of the primary discussion of בורר - selecting

In this daf: dispute between Rava and Abaya regarding what is מתעסק. The 39 melachot

In this daf: awareness/realization regarding an asham shifcha charufa. מתעסק - preoccupied

In this daf: the source that we view each of the 39 melachot as separate prohibitions. If you're unaware of shabbat and melachot hope many sacrifices must you bring

In this daf: is not knowing the punishment considered "shogeg" that you would be liable to a sacrifice. If you were traveling an didn't know which day was shabbat

In this daf: discussing how many Chattas offering one would be liable to if they didn't forgot about Shabbat, forgot it was shabbat or didn't know certain melachot were forbidden. Is someone who never knew about shabbat liable to a chattas when he learns about it.

In this daf: talmudic cures, spells and incantations. Darchei Emory (superstition)

In this daf: what is accessories in one who is lame allowed to go out with. Going out with charms. Cutes for ailments

In this daf: Items you may carry. 3 halachos of Shmuel's father.

In this daf: are weapons adornments or degrading for men. Will nature change in the days of moshiach. Great aspects of Torah scholars working together to understand Torah better. Can garters become tamei. What is the smallest size for jewelry to become tamei.