The term “nanotechnology” refers to technological advancement on microscopic levels. In some cases, it may deal with the manipulation of individual atoms or molecules. This is a quick-growing field with many new opportunities appearing every year.

Spanning many countries and island territories, South America is home to many Spanish-speaking countries. Here, students can literally walk through history on their way to class and soak up the culture of ancient societies.

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.