100: The decibel level, 24 hours a day, near some data centers 20: The estimated percentage of Europeans whose health is at risk due to noise pollution 13.4: The percentage by which the organ density of grasshoppers in noisier habitats is higher than that of grasshoppers in quieter habitats Sources: data centers (techradar.com), pollution (msn.com), grasshoppers (Nature)
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