One Piece has a long history of pirate adventures for Monkey D. Luffy, but it took awhile for us to learn about his family ...

A new DNA model suggests humans didn't reach Australia until 50,000 years ago, but archaeological data disagrees.

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.