Latest Aramis, Ethiopia Stories
By Patricia Reaney LONDON (Reuters) - An international team of scientists have discovered 4.1 million year old fossils in eastern Ethiopia that fill a missing gap in human evolution. The teeth and bones belong to a primitive species of Australopithecus known as Au.
Palaeontologists say they have found a fossil haul from at least nine hominids who lived in eastern Africa more than four million years ago in the early chapters of human history.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.