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welcome to the cotkey ride home for friday, April 23rd, 2021. I'm Jackson Bird. What do you call a collection of black holes? That's not the tee-up for a punchline. Scientists are legitimately trying to decide what word to use. Plus, how Maslow's hierarchy of needs was based on Blackfoot principles that he got wrong.

And how the problem of McDonald's perpetually broken ice cream machines is even more

supersized than you might think.

Here are some of the cool things from the news today.

I love plural collective terms for groups of animals. Like sure, there's herd of cattle and a flock of

birds, but what about a sleuth of bears, a parliament of owls, a cohort of zebras, an unkindness of ravens. There are so many

good ones out there, and words used for a collection of alike items aren't limited to animals,

and so right now, scientists are trying to decide what term we should use for multiple black holes. There are two reasons why

this has come up recently. One, because of recent discoveries of dozens of black holes clustered

together where it was once thought there was just one huge one. And two, because in a meeting for

scientists working on the laser interferometer space antenna, or Lisa, which will detect collisions between black holes,

one of the scientists' daughters chimed in to ask what a collection of black holes is called.

The question sparked a lot of fun and creativity, both on the call and on Twitter,

where the question was posed to all of Ligo's followers.

Some top suggestions include a crush, a hive, a graveyard, a silence, an enigma, a speckle, a riddle, a plague, a wonder, a void, a colander, a disaster, or my favorite, a mosh pit.

That last one actually got used by a team of astrophysicists in a paper they published recently.

And disaster is etymologically apt, as the New York Times points out, quote,

...