Dartmouth College, commonly referred to as Dartmouth , is a private Ivy League research university located in Hanover, New Hampshire, United States. It consists of a liberal arts college, the Geisel School of Medicine, the Thayer School of Engineering, and the Tuck School of Business, as well as 19 graduate programs in the arts and science. Incorporated as the "Trustees of Dartmouth College," it is one of the nine Colonial Colleges founded before the American Revolution. With an undergraduate enrollment of 4,276 and a total student enrollment of 6,342 , Dartmouth is the smallest university in the Ivy League.Dartmouth College was established in 1769 by Eleazar Wheelock, a Congregational minister. After a long period of financial and political struggles, Dartmouth emerged in the early 20th century from relative obscurity.Dartmouth's somewhat-isolated rural 269-acre campus is in the Upper Valley region of New Hampshire. Participation in athletics and the school's Greek system is strong. Dartmouth's 34 varsity sports teams compete in the Ivy League conference of the NCAA Division I. Students are well known for preserving a variety of strong campus traditions. Wikipedia.
Melin A.D.,Dartmouth College
Proceedings. Biological sciences / The Royal Society | Year: 2013
Tarsiers are small nocturnal primates with a long history of fuelling debate on the origin and evolution of anthropoid primates. Recently, the discovery of M and L opsin genes in two sister species, Tarsius bancanus (Bornean tarsier) and Tarsius syrichta (Philippine tarsier), respectively, was interpreted as evidence of an ancestral long-to-middle (L/M) opsin polymorphism, which, in turn, suggested a diurnal or cathemeral (arrhythmic) activity pattern. This view is compatible with the hypothesis that stem tarsiers were diurnal; however, a reversion to nocturnality during the Middle Eocene, as evidenced by hyper-enlarged orbits, predates the divergence of T. bancanus and T. syrichta in the Late Miocene. Taken together, these findings suggest that some nocturnal tarsiers possessed high-acuity trichromatic vision, a concept that challenges prevailing views on the adaptive origins of the anthropoid visual system. It is, therefore, important to explore the plausibility and antiquity of trichromatic vision in the genus Tarsius. Here, we show that Sulawesi tarsiers (Tarsius tarsier), a phylogenetic out-group of Philippine and Bornean tarsiers, have an L opsin gene that is more similar to the L opsin gene of T. syrichta than to the M opsin gene of T. bancanus in non-synonymous nucleotide sequence. This result suggests that an L/M opsin polymorphism is the ancestral character state of crown tarsiers and raises the possibility that many hallmarks of the anthropoid visual system evolved under dim (mesopic) light conditions. This interpretation challenges the persistent nocturnal-diurnal dichotomy that has long informed debate on the origin of anthropoid primates.
Lowe W.H.,University of Montana |
McPeek M.A.,Dartmouth College
Trends in Ecology and Evolution | Year: 2014
Dispersal is difficult to quantify and often treated as purely stochastic and extrinsically controlled. Consequently, there remains uncertainty about how individual traits mediate dispersal and its ecological effects. Addressing this uncertainty is crucial for distinguishing neutral versus non-neutral drivers of community assembly. Neutral theory assumes that dispersal is stochastic and equivalent among species. This assumption can be rejected on principle, but common research approaches tacitly support the 'neutral dispersal' assumption. Theory and empirical evidence that dispersal traits are under selection should be broadly integrated in community-level research, stimulating greater scrutiny of this assumption. A tighter empirical connection between the ecological and evolutionary forces that shape dispersal will enable richer understanding of this fundamental process and its role in community assembly. © 2014 Elsevier Ltd.
Blencowe M.P.,Dartmouth College
Physical Review Letters | Year: 2013
Adopting the viewpoint that the standard perturbative quantization of general relativity provides an effective description of quantum gravity that is valid at ordinary energies, we show that gravity as an environment induces the rapid decoherence of stationary matter superposition states when the energy differences in the superposition exceed the Planck energy scale. © 2013 American Physical Society.
McClung C.R.,Dartmouth College
Seminars in Cell and Developmental Biology | Year: 2013
Circadian clocks allow plants to temporally coordinate many aspects of their biology with the diurnal cycle derived from the rotation of Earth on its axis. Although there is a rich history of the study of clocks in many plant species, in recent years much progress in elucidating the architecture and function of the plant clock has emerged from studies of the model plant, Arabidopsis thaliana. There is considerable interest in extending this knowledge of the circadian clock into diverse plant species in order to address its role in topics as varied as agricultural productivity and the responses of individual species and plant communities to global climate change and environmental degradation. The analysis of circadian clocks in the green lineage provides insight into evolutionary processes in plants and throughout the eukaryotes. © 2013 Elsevier Ltd.
Fluri J.L.,Dartmouth College
Transactions of the Institute of British Geographers | Year: 2011
This article critically examines the entanglements between 'security' and the geopolitical and geo-economic formations that assist in the cyclical continuation of conflict. The author questions the biopolitical configurations of state and private forms of militarised security. The author's approach to this research addresses the spatial and corporeal aspects of civilian security in contemporary conflicts zones - with a specific focus on Afghanistan. Drawing on the work of feminist political geographers, this article highlights the corporeal as a key site of analysis for the everyday and seemingly apolitical spaces occupied by civilians living amidst political conflict. This descriptive analysis of security and insecurity focuses on four specific areas: (1) Afghan civilian security measures, (2) domestic spaces as sites of security and violence, (3) mobile forms of security and insecurity and (4) the divergent perceptions and experiences of security/insecurity between international civilian workers living in Afghanistan and Afghan civilian citizens. While macro-scale analyses of security and civilian agency in various locations are important for geographic inquiry, it remains imperative that geographers and other social scientists examine the particularities of specific conflict sites and situations in order to avoid one-size-fits-all responses to or analyses of political conflict - and subsequently flattening civilian experiences through aggregated forms of knowledge production. This paper seeks to investigate several key aspects of feminist political geography by examining the multiple and varied experiences of the everyday within this conflict zone. © 2010 The Author. Transactions of the Institute of British Geographers © 2010 Royal Geographical Society (with the Institute of British Geographers).