![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinH3WFh3uJ06lJlANthEMekeeP0EjAB4TrHixubn2Ahv6Ppn4UqX8TuR0Jb-hvS4xaETaWeavussnQuHTewv4ztntsLlpvGKVW8ctTrulBs0JwXaQLkvTTpVk0CukEPZZuvjw1agk3-Y6hJB8G3Vtsh-LnKoV-B84x7zQsWWaq24kkNBMvxjRNjBBI9g/s320/change%20and%20same.png)
Listen to this morning's class, "How Does Halakhah Change as Reality Changes?" here.
Follow along with the sources here.
For further learning:
1) Listen to our class on netilat yadayim here.
2) Listen to "Eating Fish with Meat or Dairy" here.
3) Listen to "The Truths of Halakhah (4)," for a fuller discussion of Hazal and science, here.