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What scientists found in 1.4 billion-year-old air is reshaping our understanding of early Earth

For decades, scientists believed that a vast stretch of Earth’s early history unfolded under stable and uneventful conditions ...
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They locked humans in a fake Earth for 2 years and the experiment imploded

In the early 1990s, eight people agreed to vanish from the world and live for two years inside a sealed glass habitat in the ...