In the Victorian era people used things like eggs and wheat bran so

Time traveler muttering to themself: it's been a Century and they're back to putting cereal in their hair like my mom did? Things have declined more than I thought, society really is backsliding

It can exist on more of a knowledge basis. To go with a slightly different food metaphor: I know what foods I like even when I'm totally full, it doesn't make me hungry to see something tasty. But if I'm neither hungry nor full then seeing a croissant might flip the switch to me Wanting to eat.

penguins and Antarctica, and quantum physics (which I barely understood any of, and barely know any more about now)

Yeah! as a trans DID system with bipolar with psychosis, its super frustrating how people act like they invalidate eachother! I've been out as all 3 for over a decade, and constantly have to bring that up for it to be understood that I know myself.

I swear every artist did terribly this year, I think it's just the state of the economy.