Concrete evidence that volcanoes can be stopped

Contagion : How it spreads and How it can be stopped ?

Recent events have drawn attention to the issue of contagion. Dependencies among countries, including through trade links, will cause shocks to an individual country (or group of countries) to affect other countries, often on a regional basis. Such linkages are not contagion, but an increase in cross-market linkages after a shock to one country could be contagion. Weak countries’ economic funda...

Traumatic brain injury: can the consequences be stopped?

Traumatic brain injury is a leading cause of morbidity and death in both industrialized and developing countries. To date, there is no targeted pharmacological treatment that effectively limits the progression of secondary injury. The delayed progression of deterioration of grey and white matter gives hope that a meaningful intervention can be applied in a realistic timeframe following initial ...

“Not Everything That Is Faced Can Be Changed, but Nothing Can Be Changed Until It Is Faced”: A Response to Recent Commentaries

Not everything that counts can be counted; not everything that can be counted counts.

Things that can be made into themselves

One says that a property P of sets of natural numbers can be made into itself iff there is a numbering α0, α1, . . . of all left-r.e. sets such that the index set {e : αe satisfies P} has the property P as well. For example, the property of being Martin-Löf random can be made into itself. Herein we characterize those singleton properties which can be made into themselves. A second direction of ...