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.

Serbia (Serbian: Србија, Srbija) is a country located in the Balkans, in Southern Europe. During the summer tourists love spending their time in Belgrade and enjoy the nature of many national parks throughout the country. Most European nationals need no visa for entering Serbia.

Requirements for the PhD program often involve the student having already obtained a Master’s degree. Additionally, a thesis or dissertation primarily consisting of original academic research must be submitted. In some countries, this work may even need to be defended in front of a panel.