When we ask such a question or "Do animals have souls?" what are we are really saying? We are revealing a deeper existential and theological question about how human beings relate to other living creatures.
The eruv vividly demonstrates the dynamism of Judaism through the Jews' steady re-interpretation and adaptation of their tradition in harmony with the world around them. Yeshiva University Museum is currently presenting an exhibition, "It's a Thin Line," on the topic.
From ritual sacrifice, rabbinic sages established a new form of worship -- verbal prayer -- which enabled individuals and communities to regularly express their gratitude, joy, sorrow and regret without the use of bulls, altars or priests.
While some people think of science and religion as being inherently in conflict, I think it's because they tend to define "religion" as "blind acceptance and complete certainty about silly, superstitious fantasies."