Mildly interesting
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It doesn't matter and it's not Catholic. I just don't want to wear contacts with spikes in them.
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Cut open an octopus... and what you find will rewrite everything you thought you knew about life. Three hearts — not one. Two pump blood exclusively to the gills. The third pushes it to the rest of the body. And that blood? It's blue. Copper-based. Running through a system so ancient, it predates dinosaurs by hundreds of millions of years. Its brain wraps entirely around its esophagus — meaning every single bite of food passes through the center of its mind. One wrong meal... and it damages its own intelligence. Hidden inside that mantle: a ink sac loaded with chemical weaponry, a funnel that jets water for instant escape, and a liver so complex it acts as both digestive organ and immune system simultaneously. This is not a simple sea creature. This is a living machine — engineered by evolution over 300 million years — into something so sophisticated, so alien, so perfect... that science is still struggling to fully understand it.
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the more you look into octopi
The proper plural of octopus is "octopuses."
Grok:
"Octopus" comes from Ancient Greek: oktṓ (ὀκτώ) = "eight"
pous (πούς) = "foot"In Greek, the proper plural is ὀκτάποδες (oktápodes). Some very formal scientific or classical contexts still use octopodes (pronounced ok-TOP-uh-deez), but it's extremely rare in everyday English.
English usually adds -es to nouns ending in -s (or -us). So octopuses follows standard English morphology. Dictionaries and major style guides overwhelmingly prefer it:Merriam-Webster, Oxford English Dictionary, AP Style, Chicago Manual of Style — all list octopuses as the primary (and preferred) plural.
"Octopi" is widely considered a hypercorrection (people trying to sound smart and getting it wrong).
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Deploying a 400-pound, long-necked camelid from the Andes to protect domestic sheep might sound like a bizarre farming experiment, but North American ranchers discovered it is one of the most effective non-lethal weapons against coyotes.
The strategy relies on a highly specific quirk of psychology:
For a guard llama to work, it has to be completely lonely.
If a rancher puts two or more llamas into a pasture, they will naturally form their own clique, ignoring the sheep entirely. But when a single, gelded male or female llama is introduced to a flock, its powerful herd instinct forces it to adapt. Seeing no other options, the llama adopts the sheep as its new family. Within just a week of introduction, a lone llama begins patrolling the perimeter, keeping a constant eye on the horizon.
This partnership is highly effective because llamas possess an innate, deep-seated hatred for canids. Biologists believe this is an evolutionary holdover from their ancestors defending against wild dogs in South America. When a coyote approaches a pasture, a llama does not flee like a sheep. Instead, it sounds a bizarre alarm call that ranchers describe as sounding like a rusty metal hinge, alerting the entire flock.
If the coyote keeps coming, the llama charges. They use their height and weight to posture aggressively, placing themselves directly between the predator and the sheep, and they are fully capable of chasing, spitting, striking, and stomping a coyote to death.
The data backs up the strategy. Landmark studies by Iowa State University wildlife biologists found that introducing a guard llama dropped average sheep losses from twenty-six animals per year down to just eight. More than half of the surveyed ranchers reported that their predator losses dropped to zero percent once the llama took over the watch.
Llamas offer distinct advantages over traditional livestock guardian dogs. They eat the exact same grass and hay as the sheep, eliminating the need for separate, specialized feeding. They also easily live for fifteen to twenty years, do not bark constantly, and will not dig under fences or wander away from the property.
There are practical limitations to this security system. A single llama is generally most effective in flat, open fenced pastures under 300 acres where it can maintain a clear line of sight. In dense brush or steep terrain, sheep tend to scatter, allowing coyotes to slip past undetected. Furthermore, while a llama can easily handle a single coyote or feral dog, a large pack can overwhelm them, and they are generally powerless against larger North American apex predators like black bears or mountain lions.
For the average pasture operation dealing with local coyotes, the system is a massive success. It provides an economical, non-lethal solution that keeps wildlife biologists and livestock producers equally satisfied, proving that one isolated llama can transform an entire flock of defenseless prey into an intensely guarded fortress.
Source: Franklin, W. L., & Powell, K. J. (1994). Guard Llamas: A Part of Integrated Sheep Protection. Iowa State University Extension -
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