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Lower-cost sodium-ion batteries are finally having their moment

Sodium-ion batteries for electric vehicles and energy storage are moving toward the mainstream. Wider use of these batteries could lead to lower costs, less fire risk, and less need for lithium, cobalt, and nickel. On November 18, CATL, the world’s…

These healthy fish have bacteria in their brains

Brains are usually thought of as a bacteria-free zone. But that’s not the case for some fish. Wild and lab-grown members of the salmon family harbor active microbial communities in their brains. More than half of the bacteria found in…