A single cell has no nerves, yet it can feel and respond to mechanical forces such as pressure. Armed with new technologies, scientists are making headway in understanding how this sensory system operates.
Epidermal stem cells that hail from the hair follicle retain memories of their journey to the skin's surface. Those memories are a boon for wound repair, but may also contribute to chronic diseases and cancer.
In animal experiments, the structurally altered antibodies activated the immune system more effectively than those currently used in the clinic. They also proved to be more protective against the virus.