Alla Katsnelson is a freelance writer who covers biology, medicine, health and science. She is a contributing editor at The Scientist. Her work has appeared in Nature, Scientific American, The Guardian and other publications. She loves molecules.
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molecular biology
The Shape-Shifting Army Inside Your Cells
Proteins work like rigid keys to activate cellular functions — or so everyone thought. Scientists are discovering a huge number of proteins that shape-shift to do their work, upending a century-old maxim of biology.