6 ways your smartwatch is lying to you, according to science

You check your smartwatch after a run. Your fitness score has dropped. You’ve burnt hardly any calories. Your recovery score ...
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Wastewater sludge treatment boosts renewable natural gas 200% and halves disposal costs

A pilot study of a new method for treating sewage sludge from a wastewater treatment plant efficiently created renewable natural gas while reducing the cost of the treatment. The work, reported in the ...