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How a desert beetle runs to chill

Namib desert

Scientists have unraveled the remarkable survival secret of a Namib Desert beetle that actively runs under the blazing sun. The black, flat-bodied “Onymacris plana” beetle sprints at impressive speeds despite its heat-absorbing color, a behavior that long puzzled researchers. In a groundbreaking discovery, studies revealed that this beetle actually cools down while exercising, the first known case among land animals. By sprinting, the beetle generates a cooling airflow over its body that carries away intense solar heat and internal muscle warmth. This unique adaptation allows it to forage and find mates when predators and competitors are forced to shelter. Laboratory tests confirmed that mimicking this running wind dramatically lowers the beetle’s temperature, proving evolution crafted a perfect cooling system for life in the extreme heat.

The Conversation

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