Islamic scholars consulted by a leading producer of cultivated meat say that the newfangled protein — which is grown from animal cells and doesn't require animals to be slaughtered — can be halal, or permissible under Muslim law.

And the Jewish Orthodox Union this month certified a strain of lab-grown chicken as kosher for the first time, "marking a significant step forward for the food technology's acceptance under Jewish dietary law," as the Times of Israel put it.