For thousands of years, human beings ignored a large part of the planet's territories, landscapes and inhabitants, and on maps the unknown regions were called Terra incognita. Even in 1840, the seabed was a complete mystery. Thirty years later, scientists continued to defend that the sea covered the poles and in 1900 no one had yet managed to reach the stratosphere. And yet, all these gaps became the stimulus our ancestors needed to unravel the secrets...
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Nature