Some natural opals, mostly from Ethiopia, show a macroscopic finger-like structure called a digit pattern. This pattern consists of vertical columns that are more or less parallel, separated by a ...

As we age, we not only lose moisture in our skin but also in our scalp and hair, which can cause breakage, thinning, shedding, and frizz. But that’s only the tip of what can cause dry hair ...

As spring approaches, warm weather is on the horizon, meaning many of us will take advantage of the heat and soak up as much vitamin D as possible. But as temperatures rise, staying hydrated ...