Pythagoras, the famous Greek scientist, had a fascinating but largely unknown ancestry which connects him to Greek mythology.

The oldest known Egyptian DNA sample, from a man who lived between 4,500 to 4,800 years ago, offers new insights into the ...

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.