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The definitive dating of the remains of the extinct hominin Homo naledi has been completed, and the results have left researchers’ original assumptions about the age of the creature in the dust: initially thought to be 2.5 million years old, the remains have been found to be only one-tenth of that age, at roughly 250,000 years — meaning that this species co-existed with modern humans.
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The study of space weather has taken on an increased importance in recent decades, as the importance of the effects of the day-to-day conditions of our immediate solar system continue to be uncovered, with the effects here on Earth ranging from the awe-inspiring beauty of an aurora borealis display, to the potential nightmare a large-scale solar flare could unleash on our technology.

However, in much the same way that human-based activity has affected Earth-based weather through climate change, it turns out that we’ve also been affecting the nature of space weather in the immediate vicinity around our planet, in the form of a forcefield-like bubble that has been pushing away the natural radiation bands that circle Earth, high in the magnetosphere.
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