<div>RZS writes:</div>
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<div>>> Which is easily understood as a change in nature rather than in halacha.<br>If the animals start chewing their cuds, and their hooves split, then<br>they will naturally be kosher. And if women stop bleeding as part of<br>
their cycles, perhaps because every egg is fertilised, then the issur<br>of nidah becomes hypothetical. <<</div>
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<div>That's not Mashma from the Medrash. And the Medrash adds an opinion that Tashmish HaMittah will be Assur L'Asid Lavo, Ayen Sham.</div>
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<div>(Regarding the Korban Todah - I guess Rav Kook understood that to mean the Lachmei Todah.)</div>