If humans went extinct, what trace would we leave in the geological record? An announcement this week suggests that humanity has already made an indelible impact and one that warrants a new chapter in Earth’s history.
Rocks, cliffs, muddy sediment. These natural features may not be that exciting to look at for some of us, but for geologists they bristle with meaning. The story they tell is our planet’s history, chronicling how continents, mountain ranges and oceans formed and glaciers spread and receded. Fossils embedded in rock reveal intriguing details about animals, plants and other life-forms that once called Earth home.
Egyptologist Philippe Martinez of Sorbonne University said one of the tombs was “a little bit like the Mona Lisa of Egypt.” The discoveries were made by using portable chemical imaging technology, which allows researchers to analyze the artwork while inside the tomb rather than waiting to look at it inside a museum or lab. Other worlds The NASA Mariner 4 mission captured the first photos of another planet taken from space in 1965.
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