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Is a Spider's Web a Part of Its Mind?

Season 7 Episode 16 | 4m 43s

Orb weaver spiders build exquisite spiral webs not only to catch insects, but to extend their senses. Once they shrink-wrap their prey with silk, the nearly blind spiders can store them for later, and read their web's strands as a kind of memory map to guide them back.

Aired: 09/21/20
Extras
Stingless bees don’t have stingers. So, how do they keep honey thieves away?
After cochineals die, their legacy lives on in the brilliant red hue produced by their hemolymph!
Those rows of orange cluster under a fern leaf are spores waiting to be catapulted away.
These tiny marine flatworms are smaller than a grain of rice but have amazing abilities!
Sharpshooters have super-propulsive urine using a catapult in their butt.
Corals create an underwater "snowstorm" by sending tiny white spheres up the water column.
Ever wonder how those tiny, jumpy flies got onto your bathroom wall?
Jellyfish clone themselves by morphing into a stack of squirming jellyfish pancakes.
As temperatures rise, the brown dog tick is more likely to feast on you.
This fuzzy acorn weevil uses her snout to drill through an acorn's shell.
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Stingless bees don’t have stingers. So, how do they keep honey thieves away?
After cochineals die, their legacy lives on in the brilliant red hue produced by their hemolymph!
Those rows of orange cluster under a fern leaf are spores waiting to be catapulted away.
These tiny marine flatworms are smaller than a grain of rice but have amazing abilities!
Sharpshooters have super-propulsive urine using a catapult in their butt.
Corals create an underwater "snowstorm" by sending tiny white spheres up the water column.
Ever wonder how those tiny, jumpy flies got onto your bathroom wall?
Jellyfish clone themselves by morphing into a stack of squirming jellyfish pancakes.
As temperatures rise, the brown dog tick is more likely to feast on you.
This fuzzy acorn weevil uses her snout to drill through an acorn's shell.