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Math models could help police thwart city burglars

Math models could help police thwart city burglars

Science
Dec. 5 (UPI) -- Mathematicians in Spain have developed a new model they think more accurately predicts burglary patterns in urban environs. Previous models, mostly focused on burglaries in suburban environs, have emphasized location and spatial patterns. The linear model developed by researchers Joan Saldaña, Maria Aguareles, Albert Avinyó, Marta Pellicer and Jordi Ripoll places a greater emphasis on timing. The group of mathematicians and their new model was inspired by age-dependent population models. "Our model puts the emphasis on when -- rather than where -- the burglaries will take place and on the type of victimized houses, represented by their age," Avinyó said in a news release. The researchers defined age -- of both burglar and home -- as the amount of time...
Climate change: Where we are in seven charts and what you can do to help

Climate change: Where we are in seven charts and what you can do to help

Science
Representatives from nearly 200 countries are gathering in Poland for talks on climate change - aimed at breathing new life into the Paris Agreement.The UN has warned the 2015 Paris accord's goal of limiting global warming to "well below 2C above pre-industrial levels" is in danger because major economies, including the US and the EU, are falling short of their pledges.But scientists at the Intergovernmental Panel on Climate Change (IPCC) - the leading international body on global warming - last month argued the 2C Paris pledge didn't go far enough. The global average temperature rise actually needed to be kept below 1.5C, they said.So how warm has the world got and what can we do about it?1. The world has been getting hotter each yearThe world is now nea...
Lancelets help scientists uncover the secrets of vertebrate gene regulation

Lancelets help scientists uncover the secrets of vertebrate gene regulation

Science
Nov. 21 (UPI) -- The research is clear, the physiological complexity that makes modern humans -- and other mammals -- unique from simpler species is a product of gene regulation, not genet quantity. But when and how did vertebrates and mammals evolve the kinds of gene regulatory mechanisms that made human complexity possible? New research -- published Wednesday in the journal Nature -- suggests lancelets, fish-like marine chordates, can provide an answer to the question. "If you really want to understand what makes vertebrates, mammals, humans special, you need to have this basis to compare them, evolutionarily," Ferdinand Marlétaz, a geneticist at the Okinawa Institute of Science and Technology, said in a news release. New genomic analysis suggests organisms that emerged just aft...
Ed Sheeran stops show to help fan propose to girlfriend

Ed Sheeran stops show to help fan propose to girlfriend

Entertainment
Ed Sheeran's romantic ballads are a go-to for many couples choosing their first dance as newlyweds. So it's no surprise that a fan has used one of the singer's gigs as the perfect opportunity to propose.During an intimate show in London on Monday, Sheeran stopped his performance of Perfect, one of his biggest hits and last year's Christmas number one, as Matthew Reed, 34, proposed to Rebecca, his girlfriend of four years."She shares my dreams, I hope that some day I'll share her home," he sang, as audience members at the Heart Live With Ed Sheeran event began to cheer. Image: She said yes! Stopping the song, he said: "Two seconds, can everyone just be quiet so this man can ask a question?"Mr Reed then rose to applause ...