Here's why:

* Foundation for other sciences: Mathematics provides the fundamental tools and language for understanding and describing the natural world. Physics, chemistry, biology, and many other fields rely heavily on mathematical concepts.

* Abstract and universal: Mathematics deals with abstract concepts and relationships that are independent of specific physical phenomena. This makes it applicable to a wide range of disciplines and situations.

* Predictive power: Mathematical models can be used to predict and explain phenomena, helping scientists make sense of the world around them.

While the term "queen science" is somewhat subjective, mathematics' foundational role and broad applicability have earned it this title among many scientists.