Studying anything is only dangerous if you believe that knowledge is dangerous.
Yes there are penguins in Antarctica and they are dangerous to something, I.e. Fish
The various volcanoes in Antarctica itself and the islands surrounding it.
It depends on which facet you wish to study. There are specific studies such as arctic and antarctice marine biology Or the geology of antarctica.
Polar Bears and Walruses
Study climate and plants and the animals Study climate and plants and the animals
Antarctica's number one resource is raw data related to the health of planet earth. This is what scientists study when they develop projects funded by their governments and study in Antarctica.
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Scientists working in Antarctica study the health of planet earth.
Antarctica is a major center for scientific study of the health of planet earth.
Governments sponsor scientific study in Antarctica, and that is the only activity allowed in Antarctica under the Antarctic Treaty.
Antarctica is preserved for the scientific study of the health of planet earth. This is the mandate of The Antarctic Treaty.
The value of scientific study in Antarctica is that it produces useful scientific knowledge. The unfortunate aspect of scientific study in Antarctica is that it is hazardous and has resulted in some deaths of researchers. Antarctica is a harsh environment where mistakes tend to become fatal very rapidly.