독특한 생김새와 아름다움을 갖고 있는 나무의 나이테는 일종의 달력으로도 쓰일수 있다. 최근에 이러한 나이테 달력은 늘어나기 시작했으며 ... of the Ice Age. Nevertheless, they will have a calendar that will suffice to date the wooden relics of humanity in northern Europe from well before written history.(c) 1987, Los Angeles Times ...
animal that ever lived. By studying those remains and others including fossilized hip bones recently discovered in Europe, scientists are trying to work out the puzzle. The only clues we have as to how these massive creatures flew, other than the pterosaurs's fossilized remains, come from examining the three other groups of flying animals that still exist.Flying is a difficult task and it ...