Pavlovian conditioning can be a powerful thing. Just by sheer association, pets can learn very specific things, like how this smart dog learned the dinner criteria. Some pets take it a step further, like this dog who figured out how to herd a lawn roomba. Pets can learn a lot of very specific things. Usually it has to do with treats.

The point of school is to learn, so it would make sense that a test could itself be a learning experience rather than an opportunity to fail. We've seen cultures collide over grading scales, and the idea of a test taking on a different kind of role is an interesting concept. Lord knows they're stressful as hell.

Someone on AskReddit got a thread going about truck stop and interstate employees' most bizarre stories from their days on the job. It shouldn't come as too much of a surprise that those long, winding, dark roads are filled to the brim with all kinds of unexpected characters. Truck stop employees can really be put through the rounder. As will happen in these kinds of threads, we've got plenty of accounts from people that didn't work at truck stops, but were just passing through. That story about the mayfly hatch madness is something else. 

The real question here is how Karen managed to figure out that this church manager's followers were in the adult film industry? Karen did some serious digging on that profile before she broke out the holier-than-thou BS. Big ups to the church manager for the way he handled this. Looks like Karen will have to take it up with the dude upstairs. 

The devil is in the details, and if those details aren't specific civilizations can find themselves writhing around in complete confusion. This Tumblr thread points out how the Roman concrete recipe that makes it immune to water could've gone undiscovered/misinterpreted for so long because we never would've thought the recipe was calling for "seawater." Things spiral out of control quickly from there, and suddenly we're looking at a forecast for a future generation that's out there scrambling fish eggs because they never would've thought to use chicken eggs. Specifics are golden. 

Check out some more gold from Tumblr with this Tumblr user who inspired a meltdown after saying that fish aren't animals.

Jenna Guillaume's hilarious Twitter thread started with a complete curveball of a question. She asks whether it's normal that her husband enjoys his snacks in the shower? It shouldn't even matter whether it's normal or not. This guy is living his best life. Totally support his idea to start up a YouTube channel about shower snacks, and which snacks appropriately qualify as shower snacks. 

Tumblr users banded together to illustrate just how terrifying angels would look, using nothing more than historical imagery. There doesn't seem to be anything about these that scream, "angelic." Nah, getting more of a monster vibe than anything else. 

Check out some more fun from Tumblr with this thread about how death isn't a bad guy.

It's a true wonder that folks like this are able to get employed in the first place. I mean, hey, whatever works. James sounds like he'd be a fun dude to work with. 

This thread asks the question, why would any God of Death every really need to be a bad guy? Why feel the need to speed things up if it's guaranteed to win in the end? These Tumblr users flesh out the idea of a death who's not that bad of a person. For some more creative tumblr musings on life and death and gods, here's a story about a selfless farmer with a heart of gold, as well as a tumblr thread on demons bonding over sandwiches.

Kevin is a contender for the worst roommate of all time. Regardless of whether this story's real or not, the dude who shared it painted quite the picture. You've got a lazy and aimless roommate caught up in a terrible cycle of self-destructive gambling that ultimately manifests in him stealing, and being hunted down by some formidable loan sharks. If this is indeed a real story and they sent Kevin's old roommates that Christmas card with the money they were owed, that's sweeter than hot cocoa on Christmas Eve. 

This is one of those conversations that's just an absolute train wreck. We all hope that this is nothing more than a drawn out act of trolling, and that there wasn't actually any mystery around whether fish were animals or not. Truth is that there really is that level of cluelessness out in the world right now. At least we get some fails out of it. 

Wow, that's certainly enough trippy for the day. This fun Twitter thread from @Foone shines light on some bizarre things that our eyes are (or aren't) doing. It is troubling to think about a hostile alien race showing up one day that exploits our eyes' saccades, and manages to wipe us out because we can never see them, and all along our eyes have just been taking their best guess at what's around us. Maybe they're already here. Maybe that's why we can't see them. What an eye-opening thread. 

This fun Twitter thread looks at an Italian family undergoing quite the shock when their DNA test results come in. Turns out they weren't so Italian after all. Well, really, not at all. This isn't the first time that we've seen a DNA test surprise folks. Check out another time a DNA test shocked a family over here.

These tweets take us back to the days of VHS rentals, horrid late fees, and stocking up on all the candy at the cashier before leaving Blockbuster with enough movies to last at least a night. The Last Blockbuster might be right up there with our other recent favorite Twitter account that's all about providing updates from Jurassic Park.

We're always ready for some more rare insults that kept things clever and utterly brutal. The comments section on various YouTube videos often has a spicy gem or two from a savage silvertongue that finally crafted their perfect, rare insult after enough meticulous tinkering around. Some of these are hilariously accurate more than anything else.