The answer is “they weren’t. The study had nothing to do with that.”

https://www.sciencedirect.com/science/article/pii/S0166432819311763

https://www.sciencedirect.com/science/article/pii/S0166432819311763

It’s about stress levels, and how rats who were in control of the vehicles were less stress than rats who were just passengers.

lentils and their friends

https://pulses.org/what-are-pulses/visual-guide-to-pulses

He’d use the N-word, and make “jokes” like paying people to make a sign that said “death to all Jews”.

I assume that he was trying to be edgy, but it was a little too far.

He did/said a bunch of racist shit in videos/streams.

In 2019 someone livestreamed themself committing a hate-crime/mass shooting, killing 51 Muslim people in New Zealand. The shooter began his livestream with “subscribe to Pewdiepie!”

That seemed to be a rude awakening for Pewdiepie, and I believe that he’s stopped with the racist shit.

Some instances are kinda obvious to figure out what they have in common, like the now-extinct VeganTheoryClub, but some are a little harder to figure out, like the ml in Lemmy.ml is for Marxist-Leninists.

Something that’s a little different compared to other social media platforms (and isn’t on your list of thought/questions) is being able to judge books by their covers.

Since you can choose which is your home instance is based on the rules, moderation, and general vibe, the instance someone is from can tell you A LOT about them. There are some users who just mute all users from certain instances, because of this.

If you’re on Lemmy.world (which is based on the Netherlands, but everyone just assumes is from the USA), you likely won’t be muted because of your home instance since it’s basically the default.