Latest Alan Channing Stories
Horsetail plant developed successful set of tools for extreme environments, maintained them for millions of years Over 100 million years ago, the understory of late Mesozoic forests was dominated by a diverse group of plants of the class Equisetopsida. Today, only one genus from this group, Equisetum (also known as horsetail or scouring rush), exists"”and it is a prime candidate for being the oldest extant genus of land plant. There is some debate as to the evolutionary beginnings of...
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.
- A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.