Our skin changes as we age, and new concerns can pop up as our features change,” says makeup artist Ashley Rebecca. “It’s ...

Our skin and mucous membranes are protected by epithelial cells. This barrier tissue performs its function thanks to specialized structures called junctions. They ensure cell cohesion and regulate ...

Hundreds of regular patterns spontaneously emerge on a small germanium chip. A curiosity about tiny dots on a germanium wafer ...

Since natural citrine is rare, most of the citrine on the market ... Although citrine is available in standard shapes and sizes, many high-end jewelry designers and gem carvers have fashioned the warm ...