  Sober (1999) argues that higher-level sciences can describe patterns invisible at lower level, and hence might offer more general explanations. But he insists that description should not be confused with explanation. He maintains that although physics might not be able to describe all the patterns, it can nevertheless explain any singular occurrence that a higher-level science can explain. Higher-level sciences might provide more "general" explanations, but physics provides "deeper" ones. He suggests that which explanation is better is in the eye of the beholder. He concludes that