With the development of microsurgery and molecular biology in the 1990s, the mouse model for organ transplants has become increasingly popular. In the past 10 years, the number of studies using the mouse model has increased threefold. All the organ transplants, originally done in the rat model, can
Evolutionary archeology: Current status and future prospects
β Scribed by Michael J. O'Brien; R. Lee Lyman
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 209 KB
- Volume
- 11
- Category
- Article
- ISSN
- 1060-1538
No coin nor oath required. For personal study only.
β¦ Synopsis
Abstract
Darwinian evolution can be defined minimally as βany net directional change or any cumulative change in the characteristics of β¦ populations over many generationsβin other words, descent with modificationβ^1^ (p. 5). In archeology the population comprises artifacts, which are conceived of as phenotypic.^2β4^ Extension of the human phenotype to include ceramic vessels, projectile points, and the like is based on the notion that artifacts are material expressions of behavior, which itself is phenotypic. Archeology's unique claim within the natural sciences is its access to past phenotypic characters. Thus, historical questions are the most obvious ones archeologists can ask, although admittedly this is hardly a strong warrant for asking them. But if the issue is evolution, then historical questions must be asked. Posing and answering historical questions is the goal of evolutionary archeology.^5^.
π SIMILAR VOLUMES
## Abstract Cellβbased therapies that involve transplantation into the striatum of dopaminergic cells have attracted considerable interest as possible treatments for Parkinson's disease (PD). However, all doubleβblind, shamβcontrolled, studies have failed to meet their primary endpoints, and transp