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The basic rule is that if the two types to be cross-grafted are similar either in the shape of their leaves or the appearance of their fruit, then it is permitted to crossbreed them. There are some ex …

Rambam (Hil. Edus 11:4) writes (translation from here): ...base people are disqualified as witnesses by Rabbinic decree. This refers to people who walk through the marketplace eating in the presen …

The Mishnah (Eruvin 26b) states that water and salt can't be used as the food for eruv chatzeiros or eruv techumin (thus Rashi; according to Tosafos only the latter). … If, instead, we define "food item" and "nutritive" simply in terms of whether they satiate a person, then don't mushrooms do that too? …

Sforno (to Ex. 16:27) states that the people who attempted to gather man on Shabbos would thereby have performed the forbidden labor of oker (uprooting something from the place where it grows), a subd …

Shach al ha-Torah (to Ex. 16:17) states that the figure of one omer per person was actually averaged out per family. In other words, he says, adults might end up with more than an omer apiece (since o …

Indeed, as Menachem commented, it's not necessary to assume that they were made into a dough. No kometz (handful) was taken from such menachos (see Rambam, Hil. Pesulei Hamukdashin 18:8), so it may no …

The footnotes there in Shulchan Aruch Harav refer, among others, to a letter by the Lubavitcher Rebbe zt"l (Igros Kodesh, vol. 2, pp. 143-145), in which he discusses this issue. He concludes that this …

It may depend on what exactly is the circumstance forcing you to eat this food, and also on whether it is objectively bad-tasting (like bitter medicine) or simply that you personally don't like it. … He adds that if the food is bad[-tasting] and the eater gets no enjoyment from it, then indeed he need not say a berachah. …

The Lubavitcher Rebbe zt"l explains (in Likkutei Sichos 15:339ff; English adaptation at Chabad.org) that there was one detail in the dreams that threw off the magicians. The Torah describes the first …

Tzvi Elimelech of Dinov) explains (in Agra DeKallah on this verse) that since it was a dangerous time [I guess because there was no way to get any other food], then it was proper for the people to eat …

There might be a few possible reasons: It might indeed be "plain old giving food and health advice" - maintaining proper health is important in being able to serve Hashem without disruption, after all … The list in Kesubos of the good qualities of dates, then, supplements this, and helps us understand better how they are indeed an ideal cheap and nourishing food. …

You'd have to do something to force the water to cover the side flanges (or rims) of the sink too (such as by dropping in a hot stone), but otherwise I'd think it would be halachically fine - it shoul …

I don't know for certain (CYLOR, of course), but some possible relevant sources: Rambam (Hil. Nezirus 5:2) groups together wine and "coagulated wine," classifying them both as "fruit" (as opposed to …

Another one: eating milk, then waiting before eating a meat meal, shows that we are more scrupulous in the laws of kashrus than the angels (who ate both at Avraham's house), and therefore we deserve t …

As I understand it, it wasn't actually stainless steel vs. something else (stainless steel hadn't yet been invented, anyway). It's more an issue of the shape of the blade in cross-section: the "old-st …