How do stem cells know what to become? Nearly three decades after scientists isolated the first human embryonic stem cells, researchers are still working hard to understand precisely how a single, ...
If we step outside on a misty morning, we can watch nature perform one of its miracles. Tiny droplets of dew begin forming on leaves, grass, and window panes as the cool air settles. Water simply ...
Plant cells are surrounded by an intricately structured protective coat called the cell wall. It’s built of cellulose microfibrils intertwined with polysaccharides like hemicellulose or pectin. We ...
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