Like most people they live and work where there are jobs.
People don't generally live right on the North Pole unless they are scientists. Heavy coats and a warm work station helps.
it gave scientists a way to repeat others' work to make sure it was correct
To Verify Their Work
In a laboratory.
scientists work together or by themselves
Scientists who work and live in Antarctica temporarily sleep in dorms or tents, eat in cafeterias or cafe tents and work in work spaces or in the field, depending on the nature of their investigation.
Scientists work in Antarctica and only 'live' there in pursuit of science. This work is always temporary. Any scientist studying the health of planet earth may apply for and receive a grant to study a relevant question.
People who live and work temporarily at McMurdo are scientists or people who work in support of science. Note that McMurdo Station is Antarctic in the southern hemisphere.
Scientists work and live in Antarctica temporarily, to study the health of planet earth.
Depending on the nature of the science being explored, scientists work and live in a research station or in a field camp.
Not many people live in Antarctica and tourists just get there, get a visit and come back. There is a workstation built specially for the scientists to work in.
Other scientists
On the work of classical and medieval scientists before them.
The people who live there temporarily are scientists and those who work in support of science, based on Antarctica being the place for study of the health of planet earth.
Tourists are allowed in Antarctica, as are the people who live and work there temporarily -- in support of science.
Scientists are fed -- as are all workers -- with food brought to them by the logistical operations of the government for which they work.
Scientists live in a heated tent