64 research outputs found
The influence of media violence on youth
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/83429/1/2003.Anderson_etal.InfluenceofMediaViolenceonYouth.PsychologicalScienceinthePublicInterest.pd
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Heavy element production in a compact object merger observed by JWST
The mergers of binary compact objects such as neutron stars and black holes are of central interest to several areas of astrophysics, including as the progenitors of gamma-ray bursts (GRBs)1, sources of high-frequency gravitational waves (GW)2 and likely production sites for heavy element nucleosynthesis via rapid neutron capture (the r-process)3. Here we present observations of the exceptionally bright gamma-ray burst GRB 230307A. We show that GRB 230307A belongs to the class of long-duration gamma-ray bursts associated with compact object mergers4–6, and contains a kilonova similar to AT2017gfo, associated with the gravitational-wave merger GW1708177–12. We obtained James Webb Space Telescope mid-infrared (mid-IR) imaging and spectroscopy 29 and 61 days after the burst. The spectroscopy shows an emission line at 2.15 microns which we interpret as tellurium (atomic mass A=130), and a very red source, emitting most of its light in the mid-IR due to the production of lanthanides. These observations demonstrate that nucleosynthesis in GRBs can create r-process elements across a broad atomic mass range and play a central role in heavy element nucleosynthesis across the Universe
The Future Landscape of High-Redshift Galaxy Cluster Science
Large scale structure and cosmolog
Loss aversion, the Hanemann hypothesis and elicitation effects Experimental investigations into the contingent valuation method
SIGLEAvailable from British Library Document Supply Centre-DSC:DXN027597 / BLDSC - British Library Document Supply CentreGBUnited Kingdo
Affect, Dual-processing, Developmental Psychopathology, and Health Behaviors
This chapter discusses dual-process models of (health) behaviors, regarding both their recent criticisms and implications for health interventions. It agrees with critics that impulsive and reflective processes should not be equated with specific brain processes, but that psychological processes are emergent properties of the dynamic unfolding interplay between different neural systems. It maintains that at a psychological level of description, these models can still be useful to understand challenges to health behaviors and possible interventions. Affective processes can influence impulsive decision-making in health, but also reflective processes, when they concern affectively relevant goals. Cognitive training methods, including cognitive bias modification and training of executive control, have shown some success in changing health behaviors, but a critical variable for long-term success appears to be motivation to change
Affect, Dual-processing, Developmental Psychopathology, and Health Behaviors
This chapter discusses dual-process models of (health) behaviors, regarding both their recent criticisms and implications for health interventions. It agrees with critics that impulsive and reflective processes should not be equated with specific brain processes, but that psychological processes are emergent properties of the dynamic unfolding interplay between different neural systems. It maintains that at a psychological level of description, these models can still be useful to understand challenges to health behaviors and possible interventions. Affective processes can influence impulsive decision-making in health, but also reflective processes, when they concern affectively relevant goals. Cognitive training methods, including cognitive bias modification and training of executive control, have shown some success in changing health behaviors, but a critical variable for long-term success appears to be motivation to change
Measurement of specific energy, ash and moisture in bulk coal samples by a combined neutron and gamma-ray method
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