NASA, America's space agency, is interested in extreme environments and how humans cope in them. Here are a few items that NASA has studied in Antarctica:
Because Antarctica is the darkest, windiest, coldest, driest, highest continent on earth, it offers many opportunities to study extremes such as those that humans deal with in space travel.
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Yes/No
nobody lives in Antarctica, except for a few scientists studying there.
Humans are involved in studying the health of planet earth in Antarctica.
Scientists are studying climate and the ozone layer. Antarctica affects the whole world.
NASA's original mission was to beat the Russians to the moon, which they did. Now, however, they are devoted to studying and researching space.
Antarctica is uninhabited, the only "culture" there is the scientific community studying the continent.
NASA sends research personnel there, but has not established a permanent base of any sort (there are several research stations that facilitate NASA and many other organizations' research).
India has made a lot of expeditions to Antarctica for studying its features.
Yes. See the question below.
No human being lives in Antarctica, except for scientist studying things there, but they too do not live there.
Studying anything is only dangerous if you believe that knowledge is dangerous.