Neuroscientists have unveiled an engineered protein that lets them watch incoming signals wash over neurons in real time, turning what used to be invisible chemical whispers into vivid, trackable ...

The distribution of fitness effects of mutation plays a central role in constraining protein evolution. The underlying mechanisms by which mutations lead to fitness effects are typically attributed to ...

Protein is important but are you eating too little too much or just right Fitness expert shared science-backed truth about ...