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TagNervous system

Slime molds

Slime Mold: An Earthbound “Alien” That Thinks Without a Brain

Researchers are beginning to learn just how giant molds can remember things without a nervous system. What, exactly, is doing the computations?

Turns out, it’s all in the tubes. The slime mold Physarum polycephalum is a single cell, often very large. The way Physarum gets to be so large is that when it divides, the many single cells merge into one giant cell — with no nervous system: “Its body is a giant single cell made up of interconnected tubes that form intricate networks. This single amoeba-like cell may stretch several centimeters or even meters, featuring as the largest cell on earth in the Guinness Book of World Records. Technical University of Munich (TUM), “A memory without a brain” at ScienceDaily (February 23, 2021) The paper is closed access. But how does the giant Physarum cell, with no brain, mouth, limbs, or…

Thale cress (Arabidopsis thaliana) blossoms and buds macro picture
Thale cress (Arabidopsis thaliana) in bloom

Researchers: Yes, Plants Have Nervous Systems Too

Not only that but, like mammals, they use glutamate to speed transmission

Nature is so full of information whose origin we cannot really account for under currently acceptable hypotheses but nothing prevents us from using it to our advantage in the meantime.

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