Briefing Chat: Orcas smashed a sunfish to bits — researchers aren't sure why

In this episode:

00:24 The quest to count the Amazon's insects

Nature: Tiny patch of Amazon likely holds 40,000 insect species — many new to science

07:31 The orcas that exploded a sunfish

The Guardian: Orcas seen ramming prey so hard it explodes may be playing game

Tiktok: Orcas vs sunfish

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