How do we increase public understanding of the benefits provided by SUDS?

Background to researchRecent Scottish Government policy is to develop Scotland as the world’s first Hydro Nation which places more emphasis on water as central to our national identity. This agenda isincreasing the international profile of Scotland’s skills and experience in supporting the good stewardship of water resources. There is a need to increase awareness among thepublic of the benefits that water provides and how our actions can help protect and improve them. Successful legislative and policy reform have been responsible for sustainable urbandrainage systems (SUDS) becoming commonplace in Scotland. There is a deficit of understanding surrounding the multiple benefits which SUDS can offer communities such as pollutioncontrol, flood prevention, enhancement of biodiversity and wildlife habitats. Conveying an understanding of benefits to those who live within close proximity to SUDS can help lendacceptance to these innovative green technologies that are replacing traditional forms of drainage.Objectives of researchKey CREW objectives are to develop a hydro literacy programme that:(a) increases public understanding of the benefits water provides and issues involved in its management(b) increase science engagement through community outreach/public education(c) support Scottish water policy.This project was a public outreach activity that targeted primary and secondary school children located to the north of Dundee where there are excellent examples of SUDS. The key objective was to raise awareness of the Hydro Nation agenda with a scope that was twofold: explain the urban water cycle; and promote awareness and understanding of the local SUDS and related benefits. To realise these objectives we had to ensure alignment of the science, environmental, engineering and social aspects related to SUDS with the curriculum forexcellence and which contributed to general science experiences and outcomes.Key findings and recommendationsDissemination of the Hydro Nation Agenda and the benefits of SUDS were delivered to a total of 106 children (ages 3-10) and 14 adults. Based on feedback, the outreach programmeto schools was deemed an unquestionable success by the Local Authority, teachers and school children alike. This was due to a strategic approach taken for the development anddelivery of a ‘water and SUDS’ learning package that included a variety of mechanisms and activities to fit the time available and suit the knowledge level of the target audiences. Thisfacilitated engagement, enthusiasm, knowledge retention and empowerment – learning whilst also having fun. Evaluation of feedback, and with hindsight, recommendations for improvingfuture outreach initiatives to school children and local community groups include:• Timing is crucial to ensure alignment with the curriculum, particularly secondary schools.• Hands on sessions including experiments and digital technology related to local real world issues combined with local walks were powerful strategies that provided a direct and personal connection that engaged, promoted and embedded learning concepts and new terminology.• Future roll out of the initiative would be beneficial to integrate the SUDS learning package materials with current lesson plans; specifically delivery of a practical legacy teaching asset that could be up scaled/rolled out across Scotland.• The Community Group session was put together quickly with limited time. This was beneficial for the Group regarding imminent dialogue with Dundee City Council planners however a more organised session and discussion would have enhanced understanding of current best practice SUDS.<br/

Complete integrability of information processing by biochemical reactions

Statistical mechanics provides an effective framework to investigate information processing in biochemical reactions. Within such framework far-reaching analogies are established among (anti-) cooperative collective behaviors in chemical kinetics, (anti-)ferromagnetic spin models in statistical mechanics and operational amplifiers/flip-flops in cybernetics. The underlying modeling -- based on spin systems -- has been proved to be accurate for a wide class of systems matching classical (e.g. Michaelis--Menten, Hill, Adair) scenarios in the infinite-size approximation. However, the current research in biochemical information processing has been focusing on systems involving a relatively small number of units, where this approximation is no longer valid. Here we show that the whole statistical mechanical description of reaction kinetics can be re-formulated via a mechanical analogy -- based on completely integrable hydrodynamic-type systems of PDEs -- which provides explicit finite-size solutions, matching recently investigated phenomena (e.g. noise-induced cooperativity, stochastic bi-stability, quorum sensing). The resulting picture, successfully tested against a broad spectrum of data, constitutes a neat rationale for a numerically effective and theoretically consistent description of collective behaviors in biochemical reactions.Comment: 24 pages, 10 figures; accepted for publication in Scientific Report

Water in the Near IR spectrum of Comet 8P/Tuttle

High resolution spectra of Comet 8P/Tuttle were obtained in the frequency range 3440.6-3462.6 cm-1 on 3 January 2008 UT using CGS4 with echelle grating on UKIRT. In addition to recording strong solar pumped fluorescent (SPF) lines of H2O, the long integration time (152 miutes on target) enabled eight weaker H2O features to be assigned, most of which had not previously been identified in cometary spectra. These transitions, which are from higher energy upper states, are similar in character to the so-called 'SH' lines recorded in the post Deep Impact spectrum of comet Tempel 1 (Barber et al., 2007). We have identified certain characteristics that these lines have in common, and which in addition to helping to define this new class of cometary line, give some clues to the physical processes involved in their production. Finally, we derive an H2O rotational temperature of 62+/- K and a water production rate of (1.4+/-0.3)E28 molecules/s.Comment: Paper has been accepted for publication by MNRAS (11/06/09

Notes on stochastic (bio)-logic gates: the role of allosteric cooperativity

Recent experimental breakthroughs have finally allowed to implement in-vitro reaction kinetics (the so called {\em enzyme based logic}) which code for two-inputs logic gates and mimic the stochastic AND (and NAND) as well as the stochastic OR (and NOR). This accomplishment, together with the already-known single-input gates (performing as YES and NOT), provides a logic base and paves the way to the development of powerful biotechnological devices. The investigation of this field would enormously benefit from a self-consistent, predictive, theoretical framework. Here we formulate a complete statistical mechanical description of the Monod-Wyman-Changeaux allosteric model for both single and double ligand systems, with the purpose of exploring their practical capabilities to express logical operators and/or perform logical operations. Mixing statistical mechanics with logics, and quantitatively our findings with the available biochemical data, we successfully revise the concept of cooperativity (and anti-cooperativity) for allosteric systems, with particular emphasis on its computational capabilities, the related ranges and scaling of the involved parameters and its differences with classical cooperativity (and anti-cooperativity)