Researchers suggest a new designation of the humpback whales they study: tool wielders. Researchers have known that humpback whales create "bubble-nets" to hunt, but they have learned that the animals ...
The super-smart New Caledonian crow tends to tip its head to one particular side when it is wielding tools. Researchers have figured out why. Michelle Starr is CNET's science editor, and she hopes to ...
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