The reason Dr. Hawking is very famous in the realm of physicas has to do with theoritical experiments that deal with black holes. (religion.blogs.cnn.com)
In the hellenic framework, the two main theories proposed are those of pre motio physica (physical pre-motion) of God, or the divine concursus. (religion-online.org)
There's no magic age at which children are ready to start learning how to use the potty, but some develop the necessary physica... (babycenter.com)