Materialistic youth seem to be languishing while grateful youth seem to be flourishing. High school students (N = 1,035) completed measures of materialism, gratitude, academic functioning, envy, depression, life satisfaction, social integration, and absorption. Using structural equation modeling, we found that gratitude, controlling for materialism, uniquely predicts all outcomes considered: hi...

Materialistic values may be detrimental for people's well-being. However, we know little about why (i.e., explaining mechanisms) and when (i.e., boundary conditions) this is the case. Although low satisfaction of the psychological needs is said to play a key role in this process, a recent meta-analysis indicates that the explaining power of need satisfaction is limited and suggests that need fr...

Biological threats posed by pathogens such as Ebola virus must be quickly diagnosed, while protecting the safety of personnel. Scanning electron microscopy and microanalysis requires minimal specimen preparation and can help to identify hazardous agents or substances. Here we report a compact biosafety system for rapid imaging and elemental analysis of specimens, including powders, viruses and ...

Security is a vital part of daily life to Hospitals that need to ensure that the information is adequately secured. In Portugal, more CIOs are seeking that their hospital IS departments are properly protecting information assets from security threats. It is imperative to take necessary measures to ensure risk management and business continuity. Security management certification provides just su...

OBJECTIVE Research among adults suggests that materialism and life satisfaction negatively influence each other, causing a downward spiral. So far, cross-sectional research among children has indicated that materialistic children are less happy, but causality remains uncertain. This study adds to the literature by investigating the longitudinal relation between materialism and life satisfaction...

Mobile ad-hoc networks (MANETs) have no fixed infrastructure, so all network operations such as routing and packet forwarding are done by the nodes themselves. However, almost all common existing routing protocols basically focus on performance measures regardless of security issues. Since these protocols consider all nodes to be trustworthy, they are prone to serious security threats. Wormhole...

there are different approaches in philosophical justification of the influences of metaphysical or spiritual causes on the material world. according to the approaches of the the most muslim thinkers, the deposited factors are influencing the on material world, but such influencing is along with the natural and material causes. accordingly, is it possible to propose a methodological materialism ...