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Facebook finds more fake accounts from Iran

Facebook finds more fake accounts from Iran

Technology
Facebook has uncovered and removed dozens of pages, accounts and groups linked to Iran that the firm says coordinated "inauthentic behaviour", targeting people in the US and UK.The affected posts focused on divisive topics such as race relations, opposition to President Donald Trump and immigration, it said.The social network revealed that it uncovered the activity a week ago."We can't say for sure who is responsible," it said in a blog post.It added that it had so far found no ties to the Iranian government but that its investigation was ongoing.The company said it had identified 82 pages, groups and accounts that were coordinating inauthentic behaviour on Facebook and Instagram in violation of the platform's policies.Only two advertisements were connect...
Purplebricks finds home in German market

Purplebricks finds home in German market

Business
Britain's biggest online estate agent is moving into Europe for the first time by acquiring a stake in its most prominent German counterpart. Sky ‎News has learnt that Purplebricks, which has a market value of more than £650m, will announce on Monday that it is to become a shareholder in Homeday through a joint venture with the German media giant Axel Springer.Sources said this weekend that the deal was likely to be structured as a 50-50 partnership between Purplebricks and Axel Springer, which is already a big investor in the British property group.The transaction will see the two companies ‎invest €25m (£22m) in order to purchase a 26% stake in Homeday, which has a 50% share of the German online estate agency market.Purplebricks and Axel Spring...
Global warming boosts century-to-century variability, study finds

Global warming boosts century-to-century variability, study finds

Science
Oct. 12 (UPI) -- As Earth gets hotter, century-to-century climate variability increases, according to a new study. When scientists compared the century-scale climate variability during the last interglacial period, between 130,000 and 115,000 years ago, with variability during the last 11,700 years, they found a significant correlation between warming and variability. During the last interglacial, or Eemian stage, the planet experienced significant Arctic warming. The average global temperature was between 3 and 11 degrees Celsius warmer than the pre-industrial average. In other words, Earth was about as warm as climate scientists expect the planet to get by the end of the century -- should global warming continue unabated. Earth not only experienced higher temperatures during the last i...
Public pensions are paying higher fees for lower returns, Pew study finds

Public pensions are paying higher fees for lower returns, Pew study finds

Finance
Public pension plans are spending more than $ 2 billion a year in fees on high-cost, risky investments to boost returns. But those bets haven't been paying off, according a report Wednesday from the Pew Charitable Trusts. The higher cost comes as public pension fund managers try to make up for a steep shortfall brought by years of underfunding and lackluster investment returns. As of fiscal 2016, the latest data available, state pension funds tracked by Pew had a combined $ 1.4 trillion deficit – up $ 295 billion from 2015 and the 15th annual increase in pension debt since 2000. State public pension plans have assets of...
Greenhouse gas emissions on rice farms underestimated, study finds

Greenhouse gas emissions on rice farms underestimated, study finds

Science
Sept. 10 (UPI) -- Climate scientists and policy makers have underestimated the amount of greenhouse gas emitted by rice farms. New research showed rice farms emit significant amounts of nitrous oxide in addition to methane. In recent years, policy makers have worked with rice farmers to reduce methane emissions and conserve water resources by deploying intermittent flooding. As water resources become more scarce, more continually flooded rice farms are likely to adopt intermittent flooding methods. But new research -- published this week in the journal Proceedings. of the National Academy of Sciences -- suggests the reduction in methane emissions achieved by intermittent flooding is undermined by increases in nitrous oxide emissions. "Water management on rice farms needs to be calibrated ...