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This Weevil Has Puppet Vibes But Drills Like a Power Tool - Deep Look
5:46 min.
This Weevil Has Puppet Vibes But Drills Like a Power Tool | Deep Look
Deep Look
2023 Nov 14
DEEP LOOK is an ultra-HD (4K) short video series created by KQED in San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Explore big scientific mysteries by going incredibly small.
—
This tiny, fuzzy acorn weevil can’t crack open acorns like a woodpecker or chomp through them like a squirrel. Instead, she uses her incredibly long snout, called a rostrum, to power-drill through their tough and resilient shell.
The weevil starts by probing an acorn’s surface with her supersensitive antennae. She likes the acorns that are still soft and green. Once she finds a good nut, she begins to chew.
The weevil’s rostrum curves downward to let her bite straight into the acorn she’s standing on. Normally, this would mean the tunnel she makes would also curve. But as the weevil eats, she walks her body in a circle around the hole, drilling an arrow-straight tunnel. The naturally arched rostrum straightens as it drills.
[...]
Deep Look
2023 Nov 14
DEEP LOOK is an ultra-HD (4K) short video series created by KQED in San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Explore big scientific mysteries by going incredibly small.
—
This tiny, fuzzy acorn weevil can’t crack open acorns like a woodpecker or chomp through them like a squirrel. Instead, she uses her incredibly long snout, called a rostrum, to power-drill through their tough and resilient shell.
The weevil starts by probing an acorn’s surface with her supersensitive antennae. She likes the acorns that are still soft and green. Once she finds a good nut, she begins to chew.
The weevil’s rostrum curves downward to let her bite straight into the acorn she’s standing on. Normally, this would mean the tunnel she makes would also curve. But as the weevil eats, she walks her body in a circle around the hole, drilling an arrow-straight tunnel. The naturally arched rostrum straightens as it drills.
[...]