All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.

Yet, it may not be possible to predict how long the effects of edibles will last. In a 2016 study , researchers analyzed over one hundred thousand tweets about edibles.

Welcome to the Money blog, Sky News' personal finance and consumer hub. Today, an update on the M&S hack, why an expert thinks an expected cash ISA cut won't work, and an unexpected drop in house ...

And today, we're going to explore the most beautiful spider plants around. Don't worry, the spider plant care routine is ...