Those interested in learning how to enhance their longevity may want to look to Gingko Biloba, whose very existence today as a "living fossil" speaks volumes to its ability to survive conditions that would otherwise kill or dramatically shorten the lifespan of most other species.
There is a thread of biological immortality woven into all things that are living. Anything that breathes or pulsates with life today contains within its germline genetic information that originated from a last universal common ancestor (LUCA), and from which all living things -- plants, bacteria, fungi and animal included -- descended about 3.4 billion years ago. While somatic cells within multicellular organisms perish, their germline stem cells are capable of infinite self-replication, which in the case of gingko biloba's meristematic stem cells, has been going on for at least a quarter of a billion years.
Ginkgo biloba is the world's oldest living plant, and is known as a "living fossil" because it has no close living relatives, and appears to be the same as a plant species dating back 270 million years (Permian) in the fossil record. It is also one of a rare few (6%) dioecious flowering plants, meaning it has distinct male and female organisms.