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PaleontologyInsects had flashy, noise-making wings as early as 310 million years ago
The structure of a grasshopper-like insect’s fossilized wing suggests it crackled and reflected light, perhaps to attract mates or warn off predators.
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Health & MedicineMillions of kids have missed routine vaccines thanks to COVID-19
Missed shots due to the pandemic may have cut vaccination rates for measles, diphtheria, tetanus and pertussis to their lowest levels in over a decade.
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AnimalsWould dogs return the favor if you gave them treats? It’s complicated
An experiment in which dogs did not reciprocate food giving with humans may reveal something about the dogs, or about how science is done.