University of Cordoba
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Archeologists are great at determining what life looked like in ancient days, but not necessarily how it smelled. Now, though, a 2,000-year-old crystal container has shed light on the scent you might have encountered on the streets of ancient Rome.
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In Nordic countries, where cold winters can keep people indoors, buildings often feature what are known as "displacement ventilation" systems. A Spanish study now suggests that such technology may also help keep patients from acquiring infections while in hospitals.