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Biology
Frog tongues flick with power and stick with ease
Frog tongues flick with power and stick with ease

Every predator needs to catch its prey. We humans use our hands, sharks and wolves use their jaws, but a few animals like frogs use something much stranger: their tongue. To understand just how frogs snatch their snacks, scientists made the first direct measurements of their tongues in action. They found that certain frogs can lift meals up to three times heavier than their body weight (although they probably couldn’t eat them) using a sticking mechanism similar to the tacky glue on Post-It notes, according to a study published Thursday in the journal Scientific Reports. For the experiment, the researchers recruited the horned frog, a rotund South American amphibian with devilish...

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