Can Jews conduct audit studies? These are studies in which researchers send out fictitious job or service applications, a random selection of which have a characteristic that may be discriminated against. Researchers then measure the differences in callback rates. This kind of study is often considered ethical because the scientific gains outweigh the deception and lack of consent, but is that the case in Jewish law? What does halakhah have to say about lying for the sake of research?

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 Can I make seltzer, using a home soda maker, on Shabbat? 

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Many people in aveilut (mourning) observe a practice of changing their usual seat in shul. But mourners are also supposed to avoid public demonstrations of mourning on Shabbat. If you are in mourning, and going to shul on Shabbat, should you change your seat?

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In my family, after eating meat, we wait 3 hours until we eat dairy. Why 3 hours? And why don't I have to wait after eating dairy?

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A 5-year-old named Ya'ara asks - when moshiach comes, and people come back from the dead, how old will everyone be? In this episode of Responsa Radio Kids Edition, R. Ethan Tucker and R. Avi Killip discuss the concept of the resurrection of the dead. 

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Did the sages have last names? When did people start using last names anyway? In the next episode of Responsa Radio Kids Edition, R. Ethan Tucker and R. Avi Killip answer a question from a 6th grader named Avital.

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Can you make Kiddush on frozen grapes if that's all you have? In the first episode of Responsa Radio Kids Edition, a new mini-series produced with a little help from Hadar's Children and Families Division, R. Ethan Tucker and R. Avi Killip answer a scrumptious question from a 5th grader named Ronit.

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A few months ago, one of the largest kosher certification agencies announced that it would not certify "Impossible Pork," despite the fact that nothing in the ingredients or preparation of Impossible Pork is not kosher. What determines whether or not a food is kosher, apart from the ingredients?

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Now that Covid-19 rapid antigen tests are widely available, can I take them on Shabbat? We've previously talked about the halakhic restrictions on medical therapeutics on Shabbat (Responsa Radio #21), do these restrictions extend to diagnostics? Are there challenges that arise from the mechanics of the test itself, such as erasing the control line or dying a new color on the test strip?

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Have a question you'd like answered on Responsa Radio? Email us at [email protected]