Depending on what's being studied, a scientist may walk, ride a Ski-doo, ride in a truck, a bulldozer, a Tucker or a helicopter. They arrive on the continent either by government-sponsored airplanes or government-sponsored, ice-reinforced-hull boats.
Antarctica.
Aside from researchers working there, there is no permanent human population in Antarctica.
You travel to Antarctica by air or by ship.
If by 'researchers' you mean 'scientists or those in support of science', the answer is that these people live and work in Antarctica every day of the year. Their assignments, however, are temporary.
There is no indigenous population in Antarctica. Researchers and other residents in Antarctica eat the foods traditional to their own home countries.
What do you think they of course study and do subjects
Antarctica is not the place for experiments, Antarctica is the place for basic research. Research there studies the health of planet Earth.
Food that is cooked for researchers is imported from countries that support the research stations where the researchers work.
Antarctica is the continent with no permanent residents except for researchers. The harsh climate and remote location make it inhospitable for permanent human settlement.
they travel by boat or they could travel by walking
Scientists and researchers in Antarctica live a lifestyle that is supported by their government. This lifestyle includes the import of everything consumed and used and the export of everything wasted and expired. There is no 'sustainability' in Antarctica such as is expected on more productive continents.
Because he wanted to explore Antarctica