Temperature determines where species can live and if they are threatened by a warming climate. So, for a long time, biologists studied how heat tolerance affects survival. Yet, less is known about how ...

Scientists from Hiroshima University undertook a study of dragonfly wings in order to better understand the relationship between a corrugated wing structure and vortex motions. They discovered that ...

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A wildlife camera captured a colorful orange dragonfly resting on a dry branch surrounded by bright green vegetation. The insect held its four transparent wings fully open, revealing the delicate ...

Infrared-spectrum image of an ornamented dragonfly from the genus Tramea. Lighter colors indicate hotter temperatures, ranging from 27 to 35 degrees Celsius across the image. Image: Noah Leith.

After a sudden start, the wing's airflow comes into play. The red and blue areas show positive and negative vorticity, representing counterclockwise and clockwise flows. The curves depict streamlines.