Why the kookaburra's iconic laugh is at risk of being silenced

Once, while teaching a class of environmental science students in China's Hebei University of Science and Technology, I asked who knew what a laughing kookaburra was. There were many blank faces. Then I tilted my head, much ...

Queen bumblebees surprise scientists by surviving underwater

Bumblebees can surprisingly withstand days underwater, according to a study published Wednesday, suggesting they could withstand increased floods brought on by climate change that threaten their winter hibernation burrows.

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