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In my opinion, this kind of ‘science communication’ is more misleading than enlightening because it fails to alert readers to the fact that the topic is actually more complicated and gives the impression that the author considers readers too stupid to understand a more accurate explanation.
Starvation is a natural cause of death for polar bears and is virtually never caused by lack of sea ice.
New evidence indicates that Arctic areas with the thickest ice today probably melted out every year during the summer for about 1,600 years during the early Holocene (ca. 11.3-9.7k years ago), making the Arctic virtually ice-free. As I argue in my new book, this means that polar bears and other Arctic species are capable of…
Thriving populations in the Chukchi Sea and elsewhere amid low summer ice levels have busted the myth that polar bears need ice year-round.
It’s logical to assume this speciation event happened during a cold interglacial, but which one?