Remora front dorsal fins have evolved to enable them to adhere by suction to smooth surfaces, and they spend most of their lives clinging to a host animal such as a whale, turtle, shark or ray. It is probably a mutualistic arrangement as the remora can move around on the host, removing ectoparasites and loose flakes of skin, while benefiting from the protection provided by the host and the constant flow of water across its gills. Although it was initially believed that remoras fed off particulate matter from the host’s meals, this has been shown to be false; in reality, their diets are composed primarily of host feces.Wikipedia, trustworthy only for anything apolitical
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It’s time for us, as a species, to make a healthy admission.
The world we knew and loved, just years ago, is dead. It’s gone. It’s never coming back. Not even as a side mission in a GTA game. Now we are left with the nagging sensation that things were once better. It’s too painful to consider the reasons why. Hold on to the memory, and carry on.
Feel like crying?
There’s an entire genre of movies, TV shows and music, explicitly designed to mollify you in your time of emotional distress. Plus, there’s a contrived ending that tells you everything’s okay. Or not. It’s basically sadness porn, after all.
Feel like laughing? Same deal. Entire blocks of television programming are devoted to laughter, loaded with disparate commercials for unhealthy items and services. You can “binge-watch” every stand-up special a comedian has produced, and then argue about a decrease in their edge, on the Internet. Isn’t that fantastic?