How did Electric Eels develop their electric charge?

22 August 2022

How did electric eels become… electric? It’s an intriguing question. After all, the seabed isn’t littered with the recharge stations electric vehicles use, so what’s the deal? Israel Ramirez, a retired biopsychologist, explains:

It isn’t hard to produce slight electric currents. Most animal cells keep sodium out and potassium in. Regulating the flow of these substances across the membranes of their cells produces a slight electric current because sodium and potassium have a positive charge. Each cell produces only a slight current, but you can get many volts by stacking cells in the same way people stack low voltage batteries to get a higher voltage.

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