Brazilian union Sindipetro-NF, one of the largest representing Petrobras workers, accepted on Tuesday a counteroffer from the state-run oil company for a labor deal, suspending a strike launched ...

Dec. 21, 2025 Superconductors promise loss-free electricity, but most only work at extreme cold. Hydrogen-rich materials changed that—yet their inner workings remained hidden because they only exist ...

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The Shimmer3 GSR+ (Galvanic Skin Response) monitors skin conductivity between two reusable electrodes attached to two fingers of one hand. Caused by a stimulus the sweat glands become more active, ...