### Our concerns about the arrest of Abbas Edalat in Iran | Letter

We are 129 members of the academic community in the United Kingdom and beyond, including Austria, China, Finland, France, Germany, Iceland, Italy, Korea, Mexico, Russia, Serbia, Slovenia, Spain, Sweden, and the US, working at the forefront of computer science, mathematics and machine learning. We are deeply concerned about the arrest of our colleague, Professor Abbas…

### Data 'hashing' improves estimate of the number of victims in databases

Destroyed tanks in front of a mosque in Azaz, Syria, in 2012. Credit: Christiaan Triebert via Wikimedia Commons Researchers from Rice University and Duke University are using the tools of statistics and data science in collaboration with Human Rights Data Analysis Group (HRDAG) to accurately and efficiently estimate the number of identified victims killed in…

### Researchers develop new happiness index

Credit: CC0 Public Domain A team of researchers at the Universitat Politècnica de València (UPV) and Universitat de València (UV) have developed a new index to measure a country’s happiness. Named HAIN (HAppiness INdex), it is based on five areas – development, freedom, solidarity, justice and peace, each of which is evaluated based on quantitative…

### Did you solve it? World Cup arithmetic

On my puzzle blog earlier today I set you three football table challenges: 1) England, Tunisia, Belgium and Panama make up Group G in the 2018 World Cup. Imagine that once they have all played each other the table looks like this. If you know only that England beat Tunisia 3-0, can you deduce the…

### Predicting the outcomes of FIFA World Cup

Credit: CC0 Public Domain One of the favourites in soccer’s upcoming 2018 FIFA World Cup, Germany, has just 13.3% chance of winning. And Australia has 14% chance of getting to the round of 16, but only 0.1% chance of winning. These are outcomes from an uncertainty model devised by University of Adelaide’s Professor Steve Begg.…

### NASA mathematician Katherine Johnson being honored in bronze

In this Feb. 26, 2017, file photo, Katherine Johnson, the inspiration for the film, “Hidden Figures,” poses in the press room at the Oscars at the Dolby Theatre in Los Angeles. Johnson, the NASA mathematician whose calculations helped bring Apollo astronauts back to Earth, is being honored at her alma mater with a bronze statue…

### Can you solve it? World Cup arithmetic

Hi guzzlers, The World Cup is almost upon us, so here’s a puzzle to get you in the mood. England, Tunisia, Belgium and Panama make up Group G. Imagine that once they have all played each other the table looks like this. If you know only that England beat Tunisia 3-0, can you deduce the…

### Statisticians say Brazil will play Germany in the FIFA World Cup final

Achim Zeileis. Credit: Universität Innsbruck The favorites for this year’s World Cup title are Brazil and Germany. The two teams are almost on a par with their chances of winning, as statisticians around Achim Zeileis from the University of Innsbruck show. With their statistical model based on bookmakers’ odds, the researchers have successfully predicted several…