The Past as Prologue in Life Extension

Aging research may significantly lengthen human life spans in the foreseeable future. This paper argues that we do not need to wait until this happens to prepare for the dislocations that may result. Increased longevity over the past century has already raised urgent, unresolved issues of equity, social cohesion, and human dignity. These developments, and our past experiences in dealing with them, provide a basis for revisiting the basic questions raised by all attempts to extend human life: what does life mean, and why is it worth extending?     

Life Extension: Rolling the Technological Dice

The idea of radically extending average human life expectancy is an ancient one, but for most of human history exceedingly utopian. There is now, however, a revival of that idea, with some scientists and others arguing that it is possible and desirable. But the main problem with most of the life extension enthusiasm is that it is based almost entirely on the desire of some individuals to make it happen. The social consequences of success of such a venture are, however, either ignored altogether or dismissed on the grounds that any problems can be dealt with. In the end, none of our present human and social problems would be helped by radically longer lives and no obvious social benefits have been advanced to support it.

Relativism

Modern democracies increasingly confuse civic or political equality with a radical relativism that calls into question legitimate principles of hierarchy and the very idea of reasonable value judgments. This confusion reflects a “corruption,” in Montesquieu’s sense, of democracy rooted in a refusal to recognize distinctions that are integral to both human nature and social life. A moderate form of cultural relativism is a genuine intellectual achievement that helps combat ethnocentrism and allows one to better appreciate the full range of human experience. But criteria of meaning and truth are by no means entirely dependent upon cultural context. Our contemporary awareness of the “relativity” of cultures and historical experiences must be complemented by a robust appreciation of the universality of Reason and citizenship.

David Riesman and <Emphasis Type="Italic">The Lonely Crowd</Emphasis>

The reception of David Riesman’s classic sociological work The Lonely Crowd exemplifies both the possibilities and perils of the work of public intellectuals. The book was almost universally misread as a paean to inner-direction, and a lament upon the decline of the independent American spirit. But it was something rather more different, and more complex, than either of these things.     

Why Do States Commission the Truth? Political Considerations in the Establishment of African Truth and Reconciliation Commissions

Although the use of truth and reconciliation commissions (TRCs) has grown considerably over the last 3 decades, there is still much that we do not know concerning the choice and the structuring of TRCs. While the literature has focused primarily on the effects of TRCs, we examine the domestic and the international factors influencing the choice of a commission in sub-Saharan Africa from 1974 to 2003 using pooled cross-sectional time series. We find that states which adopted a TRC prior to South Africa were generally repressive centralized regimes which used the truth commission as political cover. However, since South Africa’s TRC, democratizing states have been more likely to adopt a truth commission as a form of transitional justice.

冠状病毒感染性疾病尸体检验相关病原学检测回顾与展望

冠状病毒曾经给世界带来两次严重的人类间大流行,包括严重急性呼吸综合征(severe acute re?spiratory syndrome,SARS)和中东呼吸综合征(Middle East respiratory syndrome,MERS),2019年岁末新型冠状病毒肺炎(coronavirus disease 2...     

Does Medicare Coverage Improve Cancer Detection and Mortality Outcomes?

Medicare is a large government health insurance program in the United States that covers about 60 million people. This paper analyzes the effects of Medicare insurance on health for a group of people in urgent need of medical care: people with cancer. We used a regression discontinuity design to assess impacts of near-universal Medicare insurance at age 65 on cancer detection and outcomes, using population-based cancer registries and vital statistics data. Our analysis focused on the three tumor sites for which screening is recommended both before and after age 65: breast, colorectal, and lung cancer. At age 65, cancer detection increased by 72 per 100,000 population among women and 33 per 100,000 population among men; cancer mortality also decreased by nine per 100,000 population for women but did not significantly change for men. In a placebo check, we found no comparable changes at age 65 in Canada. This study provides the first evidence to our knowledge that near-universal access to Medicare at age 65 is associated with improvements in population-level cancer mortality.     

理解中美关系的裂痕

中美关系是当下亚太地区正在发生的政治和战略变化的决定性因素,中美之间的竞争并不奇怪,它是国际关系的一种形式,关键是中美的利益冲突是对抗性的还是非对抗性的。这一问题在中美两国的官员、思想者、媒体中都引发了激烈的争论。部分美国高级官员认为中国的一些行为是修正主义的,但其实它们是保护主义的。从东亚总体来看,东北亚存在修正主义国家,东南亚则没有。因此,南海发生重大危机的可能性不大,而东北亚将给东亚带来很大的不确定性。