The sky is an enormous iron container filled with water and chunks of it occasionally fall off and plummet to Earth as iron meteorites. Or, at least, that’s what ancient Egyptians seem to have thought. Image: YaZzZz…
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We don’t know exactly how many people have been infected with the coronavirus due to a lack of comprehensive testing, but we could begin monitoring about 2 billion people worldwide right now, simply by looking for the pathogen in waste water. Image: eutrophication&hypoxia
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Ancient remains found in the Mongolian steppe suggest that the story of the female warrior Mulan may have been inspired by real Xianbei women who rode horseback and probably also used bows and arrows. Image: Gary Lee Todd, Ph.D.
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At the summit of Llullaillaco, a volcano in the Andes that rises 6739 metres above sea level, lives a mouse. It is the highest dwelling mammal in the world – and how it survives in an environment so hostile that it has been compared to Mars has left scientists baffled. Image: Dick Culbert
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An archaeological excavation in southern Spain has uncovered the 2000-year-old remains of a lapdog that may have been born thousands of kilometres to the east, a discovery that hints at a long-distance trade in lapdogs across the Roman world. Image: Martin Sánchez et al
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