"I sat up in bed with that feeling of broad awakeness and alertness which comes to us sometimes, and caught my breath as I listened, for through the stillness of the night came the unmistakable sound of a gentle tapping from behind the paneling of the wall.

Eventually, Mr. Valdes spotted two former students, approaching for fist-bumps. “I’m happy for you guys,” he said quickly, playing it cool.

successive or homodynamous parts in plants and animals

These simulations suggest that vinyl cyanide (C₂H₃CN; also known as acrylonitrile or propenenitrile) would be the best candidate species for the formation of these hypothesized cell-like membranes, known as “azotosomes” (2).