
What is this pretty yellow goo? Delicious slime mold, of course

Way beneath every step you’ve ever taken and every step you will take is this thing called mycelium. Long threads of fungi that grow one cell at a time, branching and re-branching, growing in every direction. They even grow three-dimensionally.
Is the Secret to Life a Good Email?
The mycologist Lynne Boddy once made a scale model of Britain out of soil, placing blocks of fungus-colonised wood at the points of the major cities; the blocks were sized proportionately to the places they represented. Mycelial networks quickly grew between the blocks: the web they created reproduced the pattern of the UK’s motorways (‘You could s
... See morelrb.co.uk • Francis Gooding · From Its Myriad Tips: Mushroom Brain · LRB 20 May 2021
mycelia in a forest do link the trees in it, root to root, not only supplying them with nutrients, but serving as a medium that conveys information about environmental threats and allows trees to selectively send nutrients to other trees in the forest.fn5