How much do we really know about our skin? We see and feel this organ every day, but its hidden roles and remarkable ...

and hypodermis. The epidermis is the outermost layer of the skin. It is tough and protective. The dermis is the middle layer ...

The artificial skin was created using two layers of silicone – dubbed 'dermis' and 'hypodermis' layers – with an electrode layer in the middle made up of ultra-thin wires that act as sensors.

Overwhelmed by the options on the drugstore shelf? Our buying guide takes the mystery out of moisturizer. The post How to ...