منابع مشابه
How Do We Have Feelings?
For centuries, the question of how a physical structure (the brain) generates the subjective feeling of consciousness has plagued neuroscientists, physiologists, psychologists, linguists, and philosophers. This has become known as the “hard problem of consciousness” and has been the subject of many publications. Although lots of answers have been proposed, none has been completely satisfactory....
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STUDY QUESTION Is it possible to construct an age curve denoting the ages above which women are biologically too old to reproduce? SUMMARY ANSWER We constructed a curve based on the distribution of female age at last birth in natural fertility populations reflecting the ages above which women have become biologically too old to have children. WHAT IS KNOWN ALREADY The median age at last bir...
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We developed new materials to induce a luxury mindset and activate materialistic values, and examined materialism's relationship to attitudes toward marriage and having children in Singapore. Path analyses indicated that materialistic values led to more negative attitudes toward marriage, which led to more negative attitudes toward children, which in turn led to a decreased number of children d...
متن کاملCDs Have Fingerprints Too
We introduce a new technique for extracting unique fingerprints from identical CDs. The proposed technique takes advantage of manufacturing variability found in the length of the CD lands and pits. Although the variability measured is on the order of 20 nm the technique does not require the use of microscopes or any advanced equipment. Instead, the electrical signal produced by the photodetecto...
متن کاملCorrelations have fat tails, too
The investment community is, by now, familiar with the idea of fat tails. The concept moved beyond the domain of actuaries and quant geeks with Nassim Nicholas Taleb’s book The Black Swan (2007). Taleb drove home the point that volatility does not tell the whole story of the uncertainty associated with asset returns. In particular, extreme outcomes occur more frequently (i.e., tails are fatter)...
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ژورنال
عنوان ژورنال: BMJ
سال: 1998
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.316.7144.1616a