You can see the archive of my discussion with the editors of Simply-communicate about the difference between Web Conferencing and Webcasting by going to their site:

http://www.simply-communicate.com/

They also link to the MediaPlatform White Paper that discusses the same topic.

MediaPlatform WebCaster and Adobe's Flash Media Enterprise Server 4 with Hybrid Flash Multicasting bring a game changing solution to the challenge of delivering video to the enterprise without requiring a seven figure hardware investment for multicasting.

Up to now, solutions for managing streaming video bandwidth issues required networks of expensive hardware, ranging from Enterprise Content Delivery Networks to WAN Acceleration devices. And all of these solutions dictated Windows Media as your video format. Hybrid Flash Multicasting offers a better way; it works seamlessly with traditional IP multicast networks AND it also provides a Peer Assist multicast solution for the parts of your network that are not IP multicast enabled.

Hybrid Flash Multicasting is an outstanding solution because it:

1) allows corporations to continue leveraging the hardware investments they have made and utilize traditional IP Multicasting with Flash instead of Windows Media.

2) allows corporations to reach bandwidth-challenged locations that are not on the multicast WAN or new locations whose networks are not multicast-enabled with a relatively low cost Peer Assist solution (because it does not require new routers and configuration of switches, etc.).

This solution solves the challenge of allowing video to reach 100% of your desktops without requiring a million dollar investment in a new eCDN. And unlike other peering solutions, there is no proprietary agent that has to be propagated to every desktop. All your employees' computers need is the latest Flash player.

Here is how MediaPlatform fits into the equation:

Our WebCaster software is the only streaming video solution that integrates the multicast-enabled Flash player, as well as leveraging Flash's ability to create a cross platform viewing experience, switch between multiple live and pre-recorded video sources, switch bit rates and codecs on the fly, support mobile devices, support H.264 and VP6 to create higher quality video at lower bandwidths, etc. With our software you can take advantage of Flash to upgrade your streaming communications to a more functional format that will work behind the firewall and to the public internet, will work on any browser and operating system, and can deliver content to mobile devices.

An article about Hybrid Flash Multicasting that features MediaPlatform's CTO, Greg Pulier, recently appeared in the Flex Developer's Journal.  Click here to link to the article

Here is the opening paragraph:

Hybrid Flash multicasting is the second and decisive wave of innovation that will enable enterprises to stream video without overtaxing their network infrastructures. It eliminates the usual tradeoffs between video consumption and network investment, regardless of increased video traffic in budget-constrained corporate networks. Hybrid Flash multicasting also solves the cost and complexity challenges of IP multicasting. By combining a new form of multicasting, known as application multicasting, which leverages a peer-assisted model of video sharing with an IP multicast network, a video stream can reach virtually everyone on the network using existing bandwidth and infrastructure. Hybrid multicasting finally unlocks the full potential for video within the enterprise by combining IP and application multicasting to deliver streaming media using the most efficient algorithms within a dynamic self-optimizing topology.

Nonphotochemical quenching (NPQ) is a mechanism of regulating light harvesting that protects the photosynthetic apparatus from photodamage by dissipating excess absorbed excitation energy as heat. In higher plants, the major light-harvesting antenna complex (LHCII) of photosystem (PS) II is directly involved in NPQ. The aggregation of LHCII is proposed to be involved in quenching. However, the lack of success in isolating native LHCII aggregates has limited the direct interrogation of this process. The isolation of LHCII in its native state from thylakoid membranes has been problematic because of the use of detergent, which tends to dissociate loosely bound proteins, and the abundance of pigment–protein complexes (e.g. PSI and PSII) embedded in the photosynthetic membrane, which hinders the preparation of aggregated LHCII. Here, we used a novel purification method employing detergent and amphipols to entrap LHCII in its natural states. To enrich the photosynthetic membrane with the major LHCII, we used Arabidopsis thaliana plants lacking the PSII minor antenna complexes (NoM), treated with lincomycin to inhibit the synthesis of PSI and PSII core proteins. Using sucrose density gradients, we succeeded in isolating the trimeric and aggregated forms of LHCII antenna. Violaxanthin- and zeaxanthin-enriched complexes were investigated in dark-adapted, NPQ, and dark recovery states. Zeaxanthin-enriched antenna complexes showed the greatest amount of aggregated LHCII. Notably, the amount of aggregated LHCII decreased upon relaxation of NPQ. Employing this novel preparative method, we obtained a direct evidence for the role of in vivo LHCII aggregation in NPQ.

What are the lasting impacts of the AUKUS agreement? Interview LJefferson 15 August 2022

Drawing on their International Affairs article, Jamal Barnes and Samuel Makinda outline the effect of AUKUS on Australia-France relations and the liberal order.

Almost a year after the surprise announcement of the AUKUS treaty, its full diplomatic implications are still being understood. The security cooperation agreement between Australia, the US and the UK caused outrage in France and was a notable source of discord between states that see themselves as defenders of the liberal international order.

In this interview Jamal Barnes and Samuel Makinda discuss their recent article in International Affairs and assess the effect of the agreement on relationships between its signatories and France and the EU, the potential for reconciliation in the treaty’s aftermath, as well as the implications it has for trust in world politics.  

What was the AUKUS treaty and why did Australia sign it?

The AUKUS treaty is an agreement between Australia, the US and the UK. Signed in 2021, it facilitates cooperation on security issues in the Indo-Pacific between the three countries – specifically, it concerns the sharing of ‘military capabilities and critical technologies, such as cyber, artificial intelligence, quantum technologies, and undersea domains’.

A key aspect is that Australia will purchase nuclear-fuelled submarines from either the US or UK. Australia decided to purchase nuclear-powered submarines – and reneged on its 2016 agreement to purchase French-built diesel-propelled submarines – because it believed that the French-made submarines were no longer fit for purpose.

However, the agreement is about more than submarines. Although Australia, the UK and US argue that AUKUS is designed to defend the rules-based international order and help ‘preserve security and stability in the Indo-Pacific’, AUKUS has been largely seen as a response to the rise of China and its military activities in the region. The AUKUS agreement reflects the increased attention that the US, UK and Australia are paying to the Indo-Pacific and their commitment to constraining China’s exercise of power in the region.

What were the effects of the AUKUS treaty on relations between Australia and France?

It led to a serious diplomatic rift. Australian officials, including former Prime Minister Morrison, had visited President Macron in France and told him nothing about AUKUS. Morrison had assured Macron in June 2021 while former Australian foreign and defence ministers had assured their French counterparts that Australia was fully committed to the purchase of French submarines just two weeks before the announcement of AUKUS.

When French officials found out about AUKUS on the day it was announced on 15 September 2021, they declared publicly that they had been betrayed and stabbed in the back. Not only had France built its relationship with Australia on trust, but its relationship was more than just about submarines. It was designed to be central to France’s 50-year engagement strategy in the Indo-Pacific. However, France was not only left out of talks but was also betrayed by a country it considered a close ally.

France responded by temporarily recalling its ambassador and stated that it would ‘redefine’ its relationship with Australia. It did not say that it would not work with Australia, but rather downgraded its relationship to one where it would only do so on a case-by-case basis.

In your article you mention that the AUKUS treaty was seen as a betrayal of trust by France in particular. Why use the word ‘betrayal’?

The word betrayal is accurate because Australia’s actions went beyond simply cancelling a business contract. Australia breached France’s trust. Not all agreements involve trust. Some are driven by self-interest while others are simply legal contracts. When these agreements are broken, the usual response is feelings of disappointment and a belief that one party is unreliable and has not lived up to its end of the agreement.

However, when diplomatic partnerships involve trust, they often contain an emotional element. A key element of trust is that one party makes itself vulnerable to another in the expectation that neither party will take advantage. When that trust is breached, the response is different from a breach of contract.

It involves feelings of betrayal as deeper emotional factors are involved. This could be seen in President Macron’s anger, and his and other French officials’ willingness to publicly call Prime Minister Morrison a liar who had stabbed France in the back. If the previous France-Australia agreement was simply a legal contract, it would have been difficult to explain the emotional element of this diplomatic fallout.

How did the signing of the AUKUS treaty affect wider relations between members of AUKUS and EU member states?

The EU, like France, felt betrayed by the AUKUS announcement. Despite being a key ally of the US, Australia, and the UK, it was left out of AUKUS discussions, and was not aware of the agreement until it was announced in the media.

What made this worse was that the EU was in the process of announcing its Indo-Pacific strategy, which was characterized as ‘maybe one of the [EU’s] most important geopolitical documents’ by High Representative for Foreign and Security Affairs, Josep Borrell. For the EU, this was the latest in a long line of recent policy betrayals that had left it uncertain if it could trust key allies on important issues. The result was greater calls from within the EU to more forcefully pursue ‘strategic autonomy’, meaning a more assertive and independent EU foreign policy.

Do betrayals of trust affect the health of the liberal international order?

Yes, they can. While it is common for leaders in liberal democracies to lie to their own people, lying to the leaders of other countries can have serious repercussions for the norms, rules and institutions of international society. A key aspect of international society is the ‘presumption of trust’ that facilitates legal compliance and diplomatic cooperation.

Without this presumption it is difficult for states to engage in long term partnerships or have confidence that diplomatic agreements will be upheld. In our article, we highlight how Australia’s violation of a particular norm, that agreements must be kept, has undermined this presumption of trust. This norm not only helps build trust between states, but also contributes to the maintenance of international order by helping to support the presumption of trust in international society.

It sounds like an oxymoron: “How to keep blood-sports interesting?” You’ve got blood and you’ve got sports, the term does its own advertising! And yet, fighting promotions rise and fall, where Pride and Strikeforce once reigned, now stand One and Bellator, but one promotion stands above all its competitors. The world of MMA knows one promotion which has clawed its way to the international top and established itself as the gold standard upon whose hallowed surface skulls are crushed and blood is poured. I’m talking about none other than the UFC.

Having established itself over the years as a beacon of both quality matches and consistent drama, the UFC attracts the lion’s share of international talent in the MMA world, and with it the eyes and ears of MMA fans everywhere. Having well and truly stroked the ego of the promotion, you might be wondering what on earth any of this has to do with writing or fantasy?

Well, does your world happen to feature prizefighting, ritual combat, or the eternally popular fantasy fixture called the gladiatorial arena? If so, there are a lot of writing and worldbuilding lessons you can learn from observing the biggest promotion in the biggest modern blood-sport of the world.

Continue reading Lessons from the UFC: How to Keep Blood-Sports Interesting at Mythic Scribes.

Fossil Fuels Expert Roundtable: Forecasting Forum 2018 12 February 2018 — 2:00PM TO 5:30PM Anonymous (not verified) 18 December 2017 Chatham House, London

This forum will present the latest thinking from senior researchers on the dynamics that will affect fossil fuels investment and markets in the year ahead. The first session will assess the various factors keeping oil and gas prices from bouncing back and will consider conditions and political developments that could influence markets in the year ahead. The second session will assess the future of the power sector and what this means for the fossil fuels industry.

Attendance at this event is by invitation only.

Forecasting Forum 2019 29 January 2019 — 2:00PM TO 5:30PM Anonymous (not verified) 17 December 2018 Chatham House | 10 St James's Square | London | SW1Y 4LE

This annual forum, previously held as part of the Fossil Fuels Expert Roundtable but now re-branded under the Energy Transitions Roundtable, presents the latest thinking from the Energy, Environment and Research Department’s senior research team on the dynamics that will affect fossil fuels investment and markets in the year ahead. This year, the forum will have three sessions:

Session 1 | 14:05 - 15:00 | Climate Trends

In December, a ‘playbook’ to implement the 2015 Paris Agreement was agreed by 196 countries at the UN’s COP24 in Poland. Despite this success, challenges surrounding common reporting requirements, degree-pathways to pursue, increasing ambition and the implementation of NDCs still remain. In this session, Pete Betts, former Head of International Climate and Energy at the UK Department for Business, Energy, and Industrial Strategy, will reflect on developments in the climate agenda and what action should be taken both in the UK and internationally against the backdrop of Brexit.

Session 2 | 15:15 - 16:15 | An Outlook for Oil in 2019

The future of crude oil prices for 2019 is perhaps more uncertain than it has been for several years. Following a period between 2014-17 when over-supply banished geopolitics from influencing the oil price, the market appears to be struggling to price political risk. Recently the OPEC Plus agreement was renewed in an effort to curtail production and defend prices but its effectiveness is in question as the shale technology revolution in the US continues to add to global supply - but for how long? Meanwhile, US relations with Saudi Arabia remain uncertain in the aftermath of the murder of Jamal Khashoggi: how might Saudi oil policy unfold? Similarly, how might Iran respond to President Trump’s unilateral abrogation of the JCPOA agreement? In this session, Paul Stevens looks at the geopolitical factors that might influence crude oil prices in 2019.

Session 3 | 16:30 - 17:30 | An Outlook for Coal

The rapid phase-out of coal-fired power stations is crucial to the delivery of the goals of the Paris Agreement and to the safeguarding of clean air and water and public health. Some policy and economic developments show that the coal sector is in structural decline, and there is growing international momentum behind coal phase-out. At the same time, many of the largest coal trading countries and companies continue to argue the short-term profitability of the sector but at what cost? This session will explore the national and international risks that continued investment in coal present and the developments that could change this in the year ahead.

Attendance at this event is by invitation only.

Forecasting Forum 2020 17 February 2020 — 2:00PM TO 5:00PM Anonymous (not verified) 15 January 2020 Chatham House | 10 St James's Square | London | SW1Y 4LE

The Forecasting Forum 2020 will present the latest thinking from the Chatham House Energy, Environment and Resources Department’s senior research team on the dynamics that will affect fossil fuel and energy investments and markets in the year ahead.

14:00 - 14:30 | Introduction and Climate Risks Outlook

In the last decade, following the financial crisis, the literature on systemic risks has grown. Systemic risks occur when complex, non-linear, interconnected systems fail, often through relatively small perturbations, as their impacts cascade and amplify across the system. Within this context, climate change is a ‘threat multiplier’ with the risks increasing in scale, frequency and magnitude. Just as complex systems can pass thresholds and tip from a functional state to a non-functional state, so can societies and people’s attitudes. Together risk cascades or systemic risks and attitudinal tipping points have the potential to rapidly change the way the world works.

Professor Tim Benton will open the Forecasting Forum 2020 with reflections on what this might mean for the pace and linearity of the fossil fuel transition.

14:30 - 15:30 | Session 1: An Outlook on Oil Prices in 2020

In this session, Professor Paul Stevens will argue that the recent events associated with the assassination of Iranian General Qasem Soleimani have exacerbated the sensitivity of oil markets to political events and brought ‘geopolitics’ back into global oil prices. Up to 2014, geopolitics played a key role in determining oil prices in the paper markets where perceptions and expectations ruled. By 2014, the world was so oversupplied with real oil barrels that the oil price collapsed and little attention was given to geopolitical events as geopolitics became marginalized in the determination of crude oil prices. However, recent events in the Middle East suggest that prices will become increasingly volatile but, at the same time, benefit from a rising geopolitical premium.

15:45 - 16:45 | Session 2: An Outlook for Energy in 2020

Recent years have brought significant disruption to the European power sector. Not only are many of Europe’s major utilities restructuring their businesses in light of decarbonization and technological developments but Brexit has distracted - and detracted from - efforts to create more systemic energy linkages between the UK and the rest of Europe. During his presentation, Antony Froggatt will draw on his ongoing research to outline what he believes are the prevailing challenges and opportunities for the European power sector over the coming year while highlighting some of the most significant global trends.

Please note, attendance at this event is by invitation only.

Forecasting forum 2021 28 January 2021 — 12:30PM TO 2:00PM Anonymous (not verified) 21 January 2021 Online

Speakers explore the dynamics that will likely affect fossil fuel demand, energy investments and markets in the year ahead.

The Forecasting Forum 2021 presents the latest thinking from the Energy, Environment and Resources Programme’s senior research team and colleagues on the dynamics that will likely affect fossil fuel demand, energy investments and markets in the year ahead.

Focus is given to the impacts of the COVID-19 pandemic, the first 100 days of the new Biden administration in the US, and the run-up to COP26. The extraordinary developments over the last year have demonstrated the need consider and discuss a wide range of possible futures and the factors that affect them to help improve system resilience and increase stability, whilst achieving sustainability.

For the first time, this annual event was run online and consisted of a panel discussion on what the year ahead might hold.

Forecasting forum 2022 2 February 2022 — 2:00PM TO 3:30PM Anonymous (not verified) 17 January 2022 Online

The Environment and Society Programme’s senior research team will discuss the emerging geopolitical trends that may impact energy markets and investments in 2022.

The Forecasting Forum 2022 presents the latest thinking from the Environment and Society Programme’s senior research team on the dynamics that will likely affect fossil fuel demand, energy investments and markets in the year ahead.

The event will discuss a wide range of emerging geopolitical trends that may impact energy markets and investments in 2022, including continuing uncertainty around COVID-19, fuel price changes, US political direction and progress of President Biden’s climate agenda, and growing shareholder activism within some of the largest energy companies. Moreover, the implications of pledges made at COP26 will start to materialize, ahead of a new climate scenarios report by the UN’s Intergovernmental Panel on Climate Change and the COP27 summit in Egypt. In this respect, the panel will assess whether 2022 could prove to be a decisive year for the energy transition. 

Dancehall powerhouse Tommy Lee Sparta has been revealed as one of the headliners for Sting 2024, with promoters promising an electrifying show on Boxing Day at JamWorld, Portmore, St Catherine. The announcement has already set fans buzzing with...

A father who pleaded guilty to sexually molesting his 13-year-old daughter was sentenced to several years of imprisonment in the St Catherine Circuit Court on Tuesday.

Cancer cachexia is characterized by reductions in peripheral lean muscle mass. Prior studies have primarily focused on increased protein breakdown as the driver of cancer-associated muscle wasting. Therapeutic interventions targeting catabolic pathways have, however, largely failed to preserve muscle mass in cachexia, suggesting that other mechanisms might be involved. In pursuit of novel pathways, we used untargeted metabolomics to search for metabolite signatures that may be linked with muscle atrophy. We injected 7-week–old C57/BL6 mice with LLC1 tumor cells or vehicle. After 21 days, tumor-bearing mice exhibited reduced body and muscle mass and impaired grip strength compared with controls, which was accompanied by lower synthesis rates of mixed muscle protein and the myofibrillar and sarcoplasmic muscle fractions. Reductions in protein synthesis were accompanied by mitochondrial enlargement and reduced coupling efficiency in tumor-bearing mice. To generate mechanistic insights into impaired protein synthesis, we performed untargeted metabolomic analyses of plasma and muscle and found increased concentrations of two methylarginines, asymmetric dimethylarginine (ADMA) and NG-monomethyl-l-arginine, in tumor-bearing mice compared with control mice. Compared with healthy controls, human cancer patients were also found to have higher levels of ADMA in the skeletal muscle. Treatment of C2C12 myotubes with ADMA impaired protein synthesis and reduced mitochondrial protein quality. These results suggest that increased levels of ADMA and mitochondrial changes may contribute to impaired muscle protein synthesis in cancer cachexia and could point to novel therapeutic targets by which to mitigate cancer cachexia.

Elevated levels of fasting insulin release and insufficient glucose-stimulated insulin secretion (GSIS) are hallmarks of diabetes. Studies have established cross-talk between integrin signaling and insulin activity, but more details of how integrin-dependent signaling impacts the pathophysiology of diabetes are needed. Here, we dissected integrin-dependent signaling pathways involved in the regulation of insulin secretion in β-cells and studied their link to the still debated autocrine regulation of insulin secretion by insulin/insulin-like growth factor (IGF) 2–AKT signaling. We observed for the first time a cooperation between different AKT isoforms and focal adhesion kinase (FAK)–dependent adhesion signaling, which either controlled GSIS or prevented insulin secretion under fasting conditions. Indeed, β-cells form integrin-containing adhesions, which provide anchorage to the pancreatic extracellular matrix and are the origin of intracellular signaling via FAK and paxillin. Under low-glucose conditions, β-cells adopt a starved adhesion phenotype consisting of actin stress fibers and large peripheral focal adhesion. In contrast, glucose stimulation induces cell spreading, actin remodeling, and point-like adhesions that contain phospho-FAK and phosphopaxillin, located in small protrusions. Rat primary β-cells and mouse insulinomas showed an adhesion remodeling during GSIS resulting from autocrine insulin/IGF2 and AKT1 signaling. However, under starving conditions, the maintenance of stress fibers and the large adhesion phenotype required autocrine IGF2-IGF1 receptor signaling mediated by AKT2 and elevated FAK-kinase activity and ROCK-RhoA levels but low levels of paxillin phosphorylation. This starved adhesion phenotype prevented excessive insulin granule release to maintain low insulin secretion during fasting. Thus, deregulation of the IGF2 and adhesion-mediated signaling may explain dysfunctions observed in diabetes.

Stephanie E. Hood
Dec 1, 2020; 61:1720-1732
Research Articles

Lipins are eukaryotic proteins with functions in lipid synthesis and the homeostatic control of energy balance. They execute these functions by acting as phosphatidate phosphatase enzymes in the cytoplasm and by changing gene expression after translocation into the cell nucleus, in particular under fasting conditions. Here, we asked whether nuclear translocation and the enzymatic activity of Drosophila Lipin serve essential functions and how gene expression changes, under both fed and fasting conditions, when nuclear translocation is impaired. To address these questions, we created a Lipin null mutant, a mutant expressing Lipin lacking a nuclear localization signal (Lipin^NLS), and a mutant expressing enzymatically dead Lipin. Our data support the conclusion that the enzymatic but not nuclear gene regulatory activity of Lipin is essential for survival. Notably, adult Lipin^NLS flies were not only viable but also exhibited improved life expectancy. In contrast, they were highly susceptible to starvation. Both the improved life expectancy in the fed state and the decreased survival in the fasting state correlated with changes in metabolic gene expression. Moreover, increased life expectancy of fed flies was associated with a decreased metabolic rate. Interestingly, in addition to metabolic genes, genes involved in feeding behavior and the immune response were misregulated in Lipin^NLS flies. Altogether, our data suggest that the nuclear activity of Lipin influences the genomic response to nutrient availability with effects on life expectancy and starvation resistance. Thus, nutritional or therapeutic approaches that aim at lowering nuclear translocation of lipins in humans may be worth exploring.

As the COVID-19 pandemic continues to spread, thousands of scientists around the globe have changed research direction to understand better how the virus works and to find out how it may be tackled. The number of manuscripts on preprint servers is soaring and peer-reviewed publications using MS-based proteomics are beginning to emerge. To facilitate proteomic research on SARS-CoV-2, the virus that causes COVID-19, this report presents deep-scale proteomes (10,000 proteins; >130,000 peptides) of common cell line models, notably Vero E6, Calu-3, Caco-2, and ACE2-A549 that characterize their protein expression profiles including viral entry factors such as ACE2 or TMPRSS2. Using the 9 kDa protein SRP9 and the breast cancer oncogene BRCA1 as examples, we show how the proteome expression data can be used to refine the annotation of protein-coding regions of the African green monkey and the Vero cell line genomes. Monitoring changes of the proteome on viral infection revealed widespread expression changes including transcriptional regulators, protease inhibitors, and proteins involved in innate immunity. Based on a library of 98 stable-isotope labeled synthetic peptides representing 11 SARS-CoV-2 proteins, we developed PRM (parallel reaction monitoring) assays for nano-flow and micro-flow LC–MS/MS. We assessed the merits of these PRM assays using supernatants of virus-infected Vero E6 cells and challenged the assays by analyzing two diagnostic cohorts of 24 (+30) SARS-CoV-2 positive and 28 (+9) negative cases. In light of the results obtained and including recent publications or manuscripts on preprint servers, we critically discuss the merits of MS-based proteomics for SARS-CoV-2 research and testing.

In quantitative proteomics work, the differences in expression of many separate proteins are routinely examined to test for significant differences between treatments. This leads to the multiple hypothesis testing problem: when many separate tests are performed many will be significant by chance and be false positive results. Statistical methods such as the false discovery rate (FDR) method that deal with this problem have been disseminated for more than one decade. However a survey of proteomics journals shows that such tests are not widely implemented in one commonly used technique, quantitative proteomics using two-dimensional electrophoresis (2-DE). We outline a selection of multiple hypothesis testing methods, including some that are well known and some lesser known, and present a simple strategy for their use by the experimental scientist in quantitative proteomics work generally. The strategy focuses on the desirability of simultaneous use of several different methods, the choice and emphasis dependent on research priorities and the results in hand. This approach is demonstrated using case scenarios with experimental and simulated model data.

The state requested a waiver from the federal requirement in January. Failure to meet the 95-percent requirement can lead to funding penalties for states.

Even when schools remain open, teachers across the country are speaking out for an investment in public education and protesting school-choice measures.

The state wants to test its middle school students in the mathematics courses in which they're enrolled, rather than with the state tests created for that each student's particular grade.

Most New Jersey students get schooled in the arts, but time devoted to the subject has been dwindling.

As the number of charter schools continues to grow, voters in California will be forced to examine their largess.

The pilot, which was initially one of the most buzzed about pieces of ESSA, allows states to try out new forms of testing in a handful of districts, with the goal of eventually taking them statewide.

Yasmin L. Hurd
Oct 16, 2019; 39:8250-8258
Symposium and Mini-Symposium

Targeting altered expression and/or activity of GABA (-aminobutyric acid) transporters (GATs) provide therapeutic benefit for age-related impairments, including cognitive dysfunction. However, the mechanisms underlying the transcriptional regulation of GATs are unknown. In the present study, we demonstrated that the stimulator of interferon genes (STING) upregulates GAT1 and GAT3 expression in the brain, which resulted in cognitive dysfunction. Genetic and pharmacological intervention of STING suppressed the expression of both GAT1 and GAT3, increased the ambient GABA concentration, and therefore, enhanced tonic GABA_A inhibition of principal hippocampal neurons, resulting in spatial learning and working memory deficits in mice in a type I interferon-independent manner. Stimulation of the STING->GAT pathway efficiently restored cognitive dysfunction in STING-deficient mice models. Our study uncovered for the first time that the STING signaling pathway regulates GAT expression in a cell autonomous manner and therefore could be a novel target for GABAergic cognitive deficits.

Estimating the direction of functional connectivity (FC) can help further elucidate complex brain function. However, the estimation of directed FC at the voxel level in fMRI data, and evaluating its performance, has yet to be done. We therefore developed a novel directed seed-based connectivity analysis (SCA) method based on normalized pairwise Granger causality that provides greater detail and accuracy over ROI-based methods. We evaluated its performance against 145 cortical retrograde tracer injections in male and female marmosets that were used as ground truth cellular connectivity on a voxel-by-voxel basis. The receiver operating characteristic (ROC) curve was calculated for each injection, and we achieved area under the ROC curve of 0.95 for undirected and 0.942 for directed SCA in the case of high cell count threshold. This indicates that SCA can reliably estimate the strong cellular connections between voxels in fMRI data. We then used our directed SCA method to analyze the human default mode network (DMN) and found that dlPFC (dorsolateral prefrontal cortex) and temporal lobe were separated from other DMN regions, forming part of the language-network that works together with the core DMN regions. We also found that the cerebellum (Crus I-II) was strongly targeted by the posterior parietal cortices and dlPFC, but reciprocal connections were not observed. Thus, the cerebellum may not be a part of, but instead a target of, the DMN and language-network. Summarily, our novel directed SCA method, visualized with a new functional flat mapping technique, opens a new paradigm for whole-brain functional analysis.

Social protection and decent jobs are cornerstones of agrifood systems transformation, but they require strong political commitment

Read more at http://blogs.smithsonianmag.com/science/2010/04/01/a-peep-experiment/ Our Surprising Science blogger tests whether stale peeps or fresh peeps are better for the spring tradition of peep jousting.

The wild canines have the same muscles used by domestic dogs to create the wide-eyed, pleading look that captures humans' hearts

New Licensing, Support Programs For Certification Accompany Software Upgrades