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3 films
Only 18 men returned from Ferdinand Magellan's expedition, which set sail in 1519 with five vessels and 239 crew members, completing the first circumnavigation of the globe.
A team of engineers is designing an innovative submersible to explore the largely uncharted depths of the ocean, where over 80 percent remains unexplored.
Humans living on Mars may undergo evolutionary changes, potentially leading to a new species within just a few generations.
