You may not be aware, but Aug. 20 is World Mosquito Day. It isn’t a day to celebrate mosquitoes. Instead, it marks the discovery, made in 1897 by the British doctor Sir Ronald Ross, that female ...
One of the most striking features of dragonflies is their wings. Unlike most insects that flap their wings in unison, dragonflies have two pairs of wings that they can move either together or ...
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