The gemoro and shulchan aruch has much to say about 'vestos', way to find out in advance when one will be a niddah, which rarely work today. There are modern methods which do work: does one have to ...
There's a dreadful genetic illness known as Tay-Sachs requiring two carriers to activate the fatal effects in a child. Probably, in reaction to the 20th century eugenics movement and its terrible ...
If a Cohen couple gets an embryo donation and their first born is a boy, do they have to do pidyon or is the baby a Cohen?
If a non married bat Cohen donates an egg to a yisraelite couple who have a first born son from it, do they have to do a pidyon haben?
Today the world is high in technology; many medical fields are experiencing breakthroughs in artificial limbs and what not. What are the legalities of these in Jewish law? For example, a pace maker ...
See here for the background. The basic idea is that the DNA is taken from the mother and father, but rather than traditional IVF, the nucleus is implanted in a donor egg. So there is no male donor ...
Why isn't DNA seen as a valid source of Halachic decision making? Is it because it's too small for the naked eye? A margin of error problem? What? Normally, physical evidence is plenty of information ...
I have heard opinions varying wildly on the subject and am trying to make sense of them halachically. Is it illegal on Shabbat to push someone in a wheelchair, let's say, from their home to synagogue ...
If they were to genetically modify a pig to chew its cud, would it be kosher?