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the researcher to dive in, swim to the manta ray, and attach the camera.

That substance?

Peanut butter.

They applied it to the suction cup, swam down to the rays, and gave it a try.

And it worked like a charm.


Not only was it easier to create a seal on the manta rays’ skin, the suction cups also stayed stuck on for more than 6 hours (double the time they stayed on previously.)


Longer deployments times means these researchers can learn more about the marvelous creatures and the social habits they possess.

So what happens after 6 hours of…