Here's why:
* Bifocals are lenses used in eyeglasses that have two different powers, allowing someone to see both near and far objects clearly.
* Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe.
While the term "bifocal science" is intriguing, it doesn't have a specific meaning within the context of scientific disciplines.
However, the concept of combining different areas of science is quite common. For example:
* Biophysics combines biology and physics.
* Astrochemistry combines astronomy and chemistry.
* Neuroeconomics combines neuroscience and economics.
Perhaps the term "bifocal science" is being used metaphorically to describe a field of study that bridges two different disciplines or approaches. If you provide more context about where you encountered this term, we might be able to understand its intended meaning better.