There's a Torah-science challenge that you've never heard of. In fact, I think that nobody has ever thought of it before. But it's been bothering me for years. In this post, I will discuss it, and suggest a path towards reconciling with it. The laws of kashrut that were introduced in Parashat Shemini are repeated in this week's parasha, Re'ay. With land animals, we are given signs for identifying kosher animals - a system that we can use thousands of years later to identify newly discovered species such as okapis as being kosher. With fish, we are likewise given signs, which we can easily utilize to identify kosher fish at markets anywhere in the world. Even with insects, while it is a a little more complicated, there can be absolutely no doubt that the