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6yrold girl dies as mother slaps her

first_imgProthom alo illustrationA six-year-old girl died on Sunday morning after reportedly being slapped by her mother for refusing to eat rice in Hazampara of Shailkupa Upazila.The deceased was Jannatul, 6, the daughter of Aleya Begum.Aleya slapped Jannatul as she did not want to eat rice, police said.The girl fell sick after being slapped and was rushed to Upazila Health Complex where the physicians pronounced her dead, said Ayubur Rahman, officer-in-charge of Shailkupa police station.Police have arrested the woman.last_img read more

Interpol urged to reject Russian candidate for chief

first_imgHermitage Capital CEO and arch-crtic of the Kremlin, Bill Browder (2L), and Mikhail Khodorkovsky (2R), head of the Open Russia movement and the former oil tycoon who served 10 years in jail after openly opposing President Vladimir Putin, attend a press conference in London on 20 November 2018. Photo: AFPA growing chorus of critics is calling on Interpol to reject a Russian candidate to lead the organisation, over fears Moscow could abuse the role to target political opponents.The Kremlin has denounced what it says is “interference” in the vote, set for Wednesday at the close of Interpol’s annual conference in Dubai, to replace the former president who was detained in China on charges of accepting bribes.Concerns have been raised over Russia’s previous applications for Interpol “Red Notices”, or international arrest warrants, for those who have fallen foul of the Kremlin.Russian interior ministry official and current Interpol vice president Alexander Prokopchuk appears to be the favourite for the position.In an open letter this week, a bipartisan group of US senators said that choosing Prokopchuk would be like “putting a fox in charge of a henhouse”.“Russia routinely abuses Interpol for the purpose of settling scores and harassing political opponents, dissidents and journalists,” they wrote.The senators said Prokopchuk has been “personally involved” in this strategy since being elected to Interpol’s executive committee.Delegates from Interpol member countries will elect a new president to replace Meng Hongwei, who went missing in his native China in September.Beijing later informed Interpol that Meng had resigned after being charged with accepting bribes.The other candidate running is South Korea’s Kim Jong-Yang, the acting president, and whoever is elected will serve out Meng’s term until 2020.British foreign office minister Harriet Baldwin on Tuesday told parliament that London would support the South Korean’s bid.“We always seek to endorse candidates who have a history of observing standards of international behaviour,” she said.‘Political persecution’ – Anti-Kremlin figures have raised concerns ahead of the vote, including Alexei Navalny, the Russian opposition leader who has been repeatedly jailed by authorities.“Our team has suffered from abuse of Interpol for political persecution by Russia,” Navalny wrote on Twitter. “I don’t think that a president from Russia will help to reduce such violations.”The controversy also comes amid security concerns over accusations of Russian agents carrying out a spy poisoning in Britain and attempting to hack the network of the global chemical weapons watchdog.Ukraine, deeply at odds with Moscow over its annexation of Crimea and support for separatists, threatened to pull out of Interpol if Prokopchuk prevailed. The Baltic state of Lithuania said it would consider withdrawing from the network.Russian presidential spokesman Dmitry Peskov dismissed the US senators’ letter as a “vivid example” of an attempt to interfere in the vote.Meanwhile Moscow’s interior ministry denounced a “foreign media campaign aimed at discrediting Russia’s candidate”.“We consider the politicisation of Interpol… unacceptable,” spokeswoman Irina Volk said.Analysts point out the position of president is largely honorary, with much greater influence in the hands of the secretary general, currently Germany’s Jurgen Stock.Putin’s ‘tentacles’ – But Bill Browder, a British financier who was briefly arrested in Spain this year under a Moscow-issued Red Notice, insisted this was an attempt by Putin to “expand his criminal tentacles to every corner of the globe”.Browder fought for—and in 2012 secured—US sanctions against Russian officials believed to be involved in the death of his tax consultant, Sergei Magnitsky.Magnitsky died in jail in 2009 after accusing Russian officials of a $230 million tax fraud.Russia has rejected the claims and this week announced it was opening a new probe into Browder on suspicion of running a “transnational criminal gang”, even suggesting he was behind Magnitsky’s death.Russian prosecutors said he would be put on an international wanted list “in the near future”.Multilingual Prokopchuk worked in tax enforcement before starting as a Russian representative at Interpol in 2006, according to the interior ministry.A decade later he was elected to a vice president position in the organisation.Russia has already made its mark even if Moscow’s candidate does not lead the organisation, security expert Andrei Soldatov told AFP.“Even if people are not extradited to Russia, they face problems,” he said, pointing to detention at borders and the reputational damage of being issued with an Interpol notice.“Interpol is a system that Russia has learned to use well for its own purposes.”The Interpol general assembly on Tuesday voted for the third time to reject Kosovo’s bid for membership. Russia has long blocked Kosovo’s attempts to join the United Nations.last_img read more

Climate change models mimics and predators A complicated relationship

first_img Explore further The common carder bee, Bombus pascuorum. Credit: Arnstein Staverløkk (Norwegian Institute for Nature Research, Trondheim, Norway). © 2018 Science X Network Poor mimics can succeed as long as they mimic the right trait For the next study in their experiment, Hassall and colleagues looked at the comparative phenology of models and mimics—that is, the relationship between Syrphidae mimics and Hymenoptera models in priority of emergence or overlap of emergence when compared with phenological advance in terms of increase in mean annual temperature in the study area (central England). To evaluate this statistically, they used rank biserial correlation (RBC). The researchers found no significant evidence that models and mimics were “advancing their phenology at the same rate.” To examine “the fitness consequences of phenological mismatch,” the third part of the study again relied on human participants, this time to fulfil the role of predators in a video game scenario whereby they were presented with three pairs of model-mimic prey stimuli. The participants were asked to make decisions regarding the profitability of each pair of stimuli from the perspective of a predator. Participants were presented with these three pairs in one of three scenarios, each involving 25 models and 25 mimics. The three phenologic scenarios represent 1) mimics on average emerging first 2) models on average appearing first, or 3) random presentation, with an equal mean order of each model and mimic. Game participants scored five points for clicking a mimic, were penalized 10 points for clicking a model, and were neither penalized nor rewarded for passing on a decision.From this gamification of the Batesian model-mimic-predator relationship with regard to phenological scenarios, the authors found statistically significant rates of prediction with all three members in the complex. Random presentation was associated with the greatest fitness in mimics here, while the model-first scenario worked in the best interest of models; these results were generally congruent with classic Batesisan theory. Random presentation, on the other hand, worked to the detriment of predators, who benefit most from a clear educational signal regarding their prey.In the final section of their experiment, the authors applied the results of the previous section to an historical dataset spanning the years 1960 to 2005 with reference to each of the 237 previously identified high-fidelity pairs. From this, they were able to pair RBC score thresholds with “model-first,” “mimic-first,” or “random” categories, which in turn allowed them to infer fitness consequences with regard to real-world temporal sequences in the context of contemporary climate change. They found a significant increase over this time span in the “model-first” pattern, a significant decrease in “mimic-first” occurrences, and a less-significant decline in which species pairs emerged randomly. From all this, they were able to infer a fitness trend showing models benefiting most from emerging first, a mixed trend for mimics due to a decrease in random pairs, but positive benefits also for predators, who benefit most when models emerge first.So what does all this mean in the context of a changing climate? Well, it’s complicated. Past studies, as the researchers note, have shown phenological decoupling to be definitely harmful in many ecosystems. They cite as one example the plight of the snowshoe hare that molts after early snow melt and how this increases mortality in this case. But where other studies demonstrate the negatives associated with phenological shifts, data from this research “suggest that climate change will result in phenologically optimal emergence patterns that benefit (at least in part) all three actors within the mimicry system.” More than this though, the authors conclude, their study also illustrates “the benefits of integrating mechanistic and organizational data to study large-scale eco-evolutionary processes within a phenologically antagonistic Batesian mimicry complex.” Journal information: Proceedings of the National Academy of Sciences More information: Christopher Hassall et al. Climate-induced phenological shifts in a Batesian mimicry complex, Proceedings of the National Academy of Sciences (2018). DOI: 10.1073/pnas.1813367115 The hairy-footed flower bee, Anthophora plumipes. Credit: Steven Falk (photographer). Citation: Climate change, models, mimics and predators: A complicated relationship (2018, December 11) retrieved 18 August 2019 from https://phys.org/news/2018-12-climate-mimics-predators-complicated-relationship.html Climate change as a disruptive force has been studied in terms of its effects on direct interactions in ecological relationships, such as those between predator and prey, for example. Until now however, little has been known about how the effect of a changing climate on the annual emergence cycles of species—phenological synchrony—may be affecting more complicated evolutionary relationships such as those within a Batesian mimicry complex. In a Batesian complex, one species mimics the behavior of another (model) species that has evolved defensive measures against a third predator species. This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. In a recent paper published in PNAS, Christopher Hassall, Jac Billington and Thomas N. Sherratt detail how they modelled a Batesian mimicry complex by leveraging the power of citizen science and online video gaming, which they then applied to a large historical observational dataset in an attempt to better understand the complicated relationship among models, mimics and predators in a changing climate. Their results are ultimately understood in reference to each member of the relationship’s evolutionary fitness costs and benefits as they relate to each other partner within the complex.In this study, Hassall and colleagues examined the relationship between Hymenoptera models (stinging wasp and bee species), their Diptera: Syrphidae mimic species (hoverflies), and the predators that attempt to feed on both: naive bird hatchlings. Some previous research on Batesian complexes indicates phenologic order of appearance is important, and that mimics benefit by emerging prior to their model species. Other research counters that model and mimic species appear synchronously and independently of avian fledgling emergence dates. Regardless, no previous studies using adequately large datasets exist to elaborate on questions of phenological synchrony with respect to this Batesian complex and the fitness costs or benefits of its members. The relationship is further confounded by the role of climate change in this ecological milieu.The first part of their experiment details the selection of 42 species of Syrphidae mimics and 56 species of bee and wasp models—2,353 pairs. Selection was based mainly on abundance from biological records in an area of central England in which both model and mimic species were known to coexist, but also on their taxonomic and morphologic distinctness. The researchers then asked users to rate randomly paired representative images from Syrphidae and Hymenoptera based on their visual similarity. From these, 237 high-fidelity pairwise combinations were selected. When compared with similar experiments using pigeons, these combinations correlated significantly, thus legitimating the researchers’ method of pairing based on human vision.last_img read more