In a natural sciences academic program, many branches of the field might be explored in depth with the goal of observing and learning about nature. Some of these branches may include astronomy, biology, physics, ecology and chemistry.

Italy, officially the Italian Republic, is a unitary parliamentary republic within the European Union, located in Southern Europe. To the north, it borders France, Switzerland, Austria, and Slovenia along the Alps.

The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.

On-campus learning refers to attending classes in person. It typically involves going to traditional classes and lectures, participating in group activities, and engaging with faculty and peers in person. On-campus learning also often includes access to laboratories, libraries, and other campus resources such as student clubs, career services offices, and recreation centers.