Life
Harbour seals can learn how to change their voices to seem bigger
The vocal gymnastics of harbour seals, including the ability to significantly raise or lower their pitch, seem not to be down to anatomy but learning from one another
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The vocal gymnastics of harbour seals, including the ability to significantly raise or lower their pitch, seem not to be down to anatomy but learning from one another
China is set to host a major biodiversity summit in 2022, but leading economist Partha Dasgupta says it is unclear what the country wants to achieve