The investigation suggests that LUCA lived on Earth 4.2 billion years ago and had an immune system that could fight off ...
Our hominid ancestors faced a Pleistocene world full of dangers—and apparently one of those dangers was lead poisoning. Lead exposure sounds like a modern problem, at least if you define “modern” the ...
Long before life thrived in Earth’s oceans, the planet’s magnetic field became disorganized. Deep within the ancient rocks of Morocco, scientists have recovered one of the clearest records of that ...
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