Life
Fossils reveal the dinosaur era’s changing insect soundscape
Bush crickets from the Triassic era onwards evolved high-frequency songs to avoid being heard by predators
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Bush crickets from the Triassic era onwards evolved high-frequency songs to avoid being heard by predators
The covid-19 pandemic has been linked to a decline in the proportion of male babies being born, in line with previous findings that fewer boys are born after population-wide stressful events