منابع مشابه
Intelligent life without bones
Photogenic predator: Coeloid cephalopods, a group of shell-less molluscs, evolved at around the time when vertebrates started to conquer land. As visual predators, they competed against early fi shes and developed remarkable complexity of body and behaviour. The photo shows the octopus Wunderpus photogenicus, found in shallow waters from Indonesia to the Philippines. (Photo: Roy L. Caldwell.) F...
متن کاملOn the Meaning of Words and Dinosaur Bones: Lexical Knowledge Without a Lexicon
Although for many years a sharp distinction has been made in language research between rules and words-with primary interest on rules-this distinction is now blurred in many theories. If anything, the focus of attention has shifted in recent years in favor of words. Results from many different areas of language research suggest that the lexicon is representationally rich, that it is the source ...
متن کاملFamilial dentinogenesis imperfecta, blue sclerae, and wormian bones without fractures: another type of osteogenesis imperfecta?
A unique connective tissue disorder characterised by the triad of dentinogenesis imperfecta, blue sclerae, and multiple wormian bones has been identified in 20 members of three generations of a large kindred of mixed ancestry in South Africa. The skeletons of affected subjects were moderately osteoporotic but, apart from minimal bowing of the femora and some vertebral flattening in late adultho...
متن کاملMake No Bones about It: Long Bones Scale Isometrically
Long bones are far from being simple cylinders, so how is the relative positioning of their various features maintained during growth? A new study shows that growth is isometric and that drift from the correct position is minimized. Read the Research Article.
متن کاملRole of Rush Nail in Fracture Forearm Bones with or Without Bone Graft
Background: Rush nail is a very handy, low cost easily available implant. In the present study, we have tried to find out its applicability in fracture of both bones with ORIF with or without Bone graft. The objectives were to evaluate the results of intramedullary fixation of fractures of both bone forearm in terms of fracture union, range of movement complications and functional outcome. Mate...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Science
سال: 2007
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.316.5821.21c