The Universe Within a Scientific Adventure Neil Shubin
نویسندگان
چکیده
منابع مشابه
QnAs with Neil Shubin.
From the rust-brown sediments of long-dried streams that once rumbled through the rugged terrain of Canada’s Ellesmere Island, a team of paleontologists unearthed in 2004 fossils of a 375 million-year-old species of fish that may have nearly crossed an evolutionary Rubicon. Named Tiktaalik roseae, the nowextinct animal has come to represent an intermediate link between fish and amphibians, its ...
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standing the old. This is a reflection of the way evolution works, with some novelties being traceable as modifications of primitive conditions and others having origins that are much less obvious. As a result, the problems of novelty and homology have been deeply intertwined for the past century and a half. It is here, at the interface between these two great concepts of evolutionary biology, ...
متن کاملNovikov -shubin Signatures, I
Torsion objects of von Neumann categories describe the phenomenon ”spectrum near zero” discovered by S. Novikov and M. Shubin. In this paper we classify Hermitian forms on torsion objects of a finite von Neumann category. We prove that any such Hermitian form can be represented as the discriminant form of a degenerate Hermitian form on a projective module. We also find the relation between the ...
متن کاملThe irritable baby Neil
p0330 The constantly irritable infant is often referred to by primary health care providers in a somewhat offhanded way as being colicky, as if that somehow represents the final word on the subject. ‘Infantile colic’ is a term which is used by various health care professions to describe the persistent, often violent crying which sometimes characterizes an otherwise healthy and thriving baby. As...
متن کاملAdventure tourism and adventure sports injury: the New Zealand experience.
The primary aims of this study were to establish a client injury baseline for the New Zealand adventure tourism and adventure sport sector, and to examine patterns and trends in claims for injury during participation in adventure activities. Content analysis of narrative text data for compensated injuries occurring in a place for recreation and sport over a 12-month period produced over 15,000 ...
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ژورنال
عنوان ژورنال: British Journal of General Practice
سال: 2013
ISSN: 0960-1643,1478-5242
DOI: 10.3399/bjgp13x668339