Studies in the Ancient Israelite Cult of Dead Kin

In 1986, Klaas Spronk published a monograph titled, Beatific Afterlife in Ancient Israel and in the Ancient Near East. Although many have criticized Spronk’s central thesis, his study began a new era in biblical scholarship on death and the afterlife in ancient Israel. More specifically, it sparked renewed interest in the study of the relationship between the living and the dead. Just three years after Spronk’s work, Theodore J. Lewis published his own study, Cults of the Dead in Ancient Israel and Ugarit (1989). Lewis affirmed and developed evidence for one of the foundational aspects of Spronk’s book: in ancient Israel, the dead depended on the living for the proper performance of certain rituals which would maintain 1) the connection between the living members of a family and their deceased kin, and 2) the livelihood of the deceased in the afterlife. This ritual interaction between the living and the dead has been described variously as a “cult of the dead,” an “ancestor cult,” and a “cult of dead kin.” In this study, I will employ the last of these phrases, “the cult of dead kin,” to describe these rituals which the living offered to their deceased, as it is unquestionable that this cult was indeed centered around the family unit. In 1991, Elizabeth Bloch-Smith published a monograph, Judahite Burial Practices and Beliefs about the Dead, extensively cataloguing the archaeological data for burials in the Levant during the Iron Age (ca. 11th century BCE to 6th century BCE). These three studies, among many others, were able to change the longstanding scholarly opinion that no such cult could have existed in ancient Israel. What follows are three chapters investigating various aspects of this cult in ancient Israel. Chapter 1 is comparative and philological in nature. In it, I interpret the narrative of Judah and Tamar found in Gen 38 as primarily concerned with death. From Judah’s motivations to Tamar’s near immolation, it appears that each of these characters seeks to preserve his/her own postmortem existence. In Chapter 2, I take a more historical and sociological approach to investigate whether parity existed in the way men and women were treated after their death in ancient Israel. Here, I analyze several biblical texts, including Gen 23; 35; and 2 Kgs 9, along with comparative material from Ugarit and the Levant. Finally, in Chapter 3, I have conducted a lexical study of the root פקד. As stated above, in Mesopotamia, the pāqidu was the caretaker in the cult of dead kin. I posit in this last section of the study that Isa 26:14; 38:10 and Jer 15:15 preserve this custodial meaning in the Hebrew Bible. While each of these chapters investigates a separate question underlying the cult of dead kin in ancient Israel, their total effect amounts to a strong development in the evidential basis of the cult of dead kin in the Hebrew Bible. In other words, I intend for each of the following chapters to offer further clarity and support for the ways biblical authors used ideologies of death and the afterlife to inform their writing. I believe that these references to the cult are not hidden or cryptic. Rather, it seems that the biblical authors were able to assume knowledge of this cult, so that their writings did not reflect in-depth discussions on this common aspect of life, instead making subtle use of the imagery and ideologies of this cult

Nucleated dewetting in supported ultra-thin liquid films with hydrodynamic slip

This study reveals the influence of the surface energy and solid/liquid boundary condition on the breakup mechanism of dewetting ultra-thin polymer films. Using silane self-assembled monolayers, SiO$_2$ substrates are rendered hydrophobic and provide a strong slip rather than a no-slip solid/liquid boundary condition. On undergoing these changes, the thin-film breakup morphology changes dramatically -- from a spinodal mechanism to a breakup which is governed by nucleation and growth. The experiments reveal a dependence of the hole density on film thickness and temperature. The combination of lowered surface energy and hydrodynamic slip brings the studied system closer to the conditions encountered in bursting unsupported films. As for unsupported polymer films, a critical nucleus size is inferred from a free energy model. This critical nucleus size is supported by the film breakup observed in the experiments using high speed \emph{in situ} atomic force microscopy.Comment: 8 pages, 9 figures, including supplementary materia

Rapid purification of quantum systems by measuring in a feedback-controlled unbiased basis

Rapid-purification by feedback --- specifically, reducing the mean impurity faster than by measurement alone --- can be achieved by making the eigenbasis of the density matrix to be unbiased relative to the measurement basis. Here we further examine the protocol introduced by Combes and Jacobs [Phys.Rev.Lett. {\bf 96}, 010504 (2006)] involving continuous measurement of the observable $J_z$ for a $D$-dimensional system. We rigorously re-derive the lower bound $(2/3)(D+1)$ on the achievable speed-up factor, and also an upper bound, namely $D^2/2$, for all feedback protocols that use measurements in unbiased bases. Finally we extend our results to $n$ independent measurements on a register of $n$ qubits, and derive an upper bound on the achievable speed-up factor that scales linearly with $n$.Comment: v2: published versio

Serial representation of items during working memory maintenance at letter-selective cortical sites

A key component of working memory is the ability to remember multiple items simultaneously. To understand how the human brain maintains multiple items in memory, we examined direct brain recordings of neural oscillations from neurosurgical patients as they performed a working memory task. We analyzed the data to identify the neural representations of individual memory items by identifying recording sites with broadband gamma activity that varied according to the identity of the letter a subject viewed. Next, we tested a previously proposed model of working memory, which had hypothesized that the neural representations of individual memory items sequentially occurred at different phases of the theta/alpha cycle. Consistent with this model, the phase of the theta/alpha oscillation when stimulus-related gamma activity occurred during maintenance reflected the order of list presentation. These results suggest that working memory is organized by a cortical phase code coordinated by coupled theta/alpha and gamma oscillations and, more broadly, provide support for the serial representation of items in working memory

Influence of Slip on the Plateau-Rayleigh Instability on a Fibre

The Plateau-Rayleigh instability of a liquid column underlies a variety of fascinating phenomena that can be observed in everyday life. In contrast to the case of a free liquid cylinder, describing the evolution of a liquid layer on a solid fibre requires consideration of the solid-liquid interface. In this article, we revisit the Plateau-Rayleigh Instability of a liquid coating a fibre by varying the hydrodynamic boundary condition at the fibre-liquid interface, from no-slip to slip. While the wavelength is not sensitive to the solid-liquid interface, we find that the growth rate of the undulations strongly depends on the hydrodynamic boundary condition. The experiments are in excellent agreement with a new thin film theory incorporating slip, thus providing an original, quantitative and robust tool to measure slip lengths

Repeating Spatial Activations in Human Entorhinal Cortex

SummaryThe ability to remember and navigate spatial environments is critical for everyday life. A primary mechanism by which the brain represents space is through hippocampal place cells, which indicate when an animal is at a particular location [1]. An important issue is understanding how the hippocampal place-cell network represents specific properties of the environment, such as signifying that a particular position is near a doorway or that another position is near the end of a corridor. The entorhinal cortex (EC), as the main input to the hippocampus, may play a key role in coding these properties because it contains neurons that activate at multiple related positions per environment [2–6]. We examined the diversity of spatial coding across the human medial temporal lobe by recording neuronal activity during virtual navigation of an environment containing four similar paths. Neurosurgical patients performed this task as we recorded from implanted microelectrodes, allowing us to compare the human neuronal representation of space with that of animals. EC neurons activated in a repeating manner across the environment, with individual cells spiking at the same relative location across multiple paths. This finding indicates that EC cells represent non-specific information about location relative to an environment’s geometry, unlike hippocampal place cells, which activate at particular random locations. Given that spatial navigation is considered to be a model of how the brain supports non-spatial episodic memory [7–10], these findings suggest that EC neuronal activity is used by the hippocampus to represent the properties of different memory episodes [2, 11]

Grid Reliability Through Clean Energy

In the wake of recent high-profile power failures, policymakers and politicians have asserted that there is an inherent tension between the aims of clean energy and grid reliability. But continuing to rely on fossil fuels to avoid system outages will only exacerbate reliability challenges by contributing to increasingly extreme climate-related weather events. These extremes will disrupt the power supply, with impacts rippling far beyond the electricity sector.This Article shows that much of the perceived tension between clean energy and reliability is a failure of law and governance resulting from the United States’ siloed approach to regulating the electric grid. Energy regulation is, we argue, siloed across three dimensions: (1) across substantive responsibilities (clean energy versus reliability); (2) across jurisdictions (federal, regional, state, and sometimes local); and (3) across a public–private continuum of actors. This segmentation renders the full convergence of clean-energy and reliability goals extremely difficult. Reliability-focused organizations operating within their silos routinely counteract climate policies when making decisions about how to keep the lights on. Similarly, legal silos often cause states and regional organizations to neglect valuable opportunities for collaboration. Despite the challenges posed by this disaggregated system, conceptualizing the sphere of energy reliability as siloed across these dimensions unlocks new possibilities for reform.We do not propose upending energy law silos or making energy institutions wholly public. Rather, we argue for calibrated reforms to U.S. energy law and governance that shift authority within and among the silos to integrate the twin aims of reliability and low-carbon energy. Across the key policy areas of electricity markets, transmission planning and siting, reliability regulation, and regional grid governance, we assess changes that would integrate climate and reliability imperatives; balance state, regional, and federal jurisdiction; and reconcile public and private values. We believe this approach to energy law reform offers a holistic and realistic formula for a cleaner, more reliable grid

Responses of two Sericoda Kirby, 1837 (Coleoptera: Carabidae) species to forest harvesting, wildfire, and burn severity

Forest fires are among the most important natural disturbances in the boreal region, but fire-initiated succession is increasingly often interrupted by salvage logging, i.e., post-fire removal of burned trees. Unfortunately, very little is known about the ecological effects of this practice. To address this knowledge gap and to examine other factors affecting the abundance of two fire-associated carabid species (Sericoda quadripuntata and S. bembidioides) we conducted three field studies based on pitfall trapping in recent burns in Alberta, Canada. The results suggest that the abundance of both species drastically decreased from the first to the third post-fire year and that fire severity was positively associated with abundance of both species. The combined effects of wildfire and forest harvesting were associated with higher catches of S. quadripunctata, but lower catches of S. bembidioides. We discuss these findings in the contexts of salvage logging and species ecology