Weighing Up The Evidence

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Heliocentrism — the idea that the Sun was the centre of the Universe, rather than the Earth — has a long, storied history, dating back to before Copernicus, to whom the idea is usually attributed. Despite Copernicus’ mathematical models and Galileo’s arguments for the heliocentric model, Tycho Brahe’s modified geocentric model prevailed for decades after Galileo’s death in 1642. This was no doubt partly because Galileo’s arguments weren’t hard evidence, and some of it was even compatible with Brahe’s model, so he couldn’t convince the great astronomers of his time. Read full article here

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Societal Issues

AI Predicts Crime A Week In Advance With 90 Per Cent Accuracy

An artificial intelligence model built by Ishanu Chattopadhyay and his colleagues analysed crime data in Chicago from 2014 to 2016 and managed to predict future levels of crime down to the nearest 300 metres, a week before they actually happened. While extremely useful, this artificial intelligence has been shown to expose racial prejudice in law enforcement. Hopefully, as the study’s data and methodology have been made available for others to evaluate, these prejudices can be avoided in the next iteration. Read full article here


Automated Identification Of Chicken Distress

Did you know that chickens make distinct sounds when they’re stressed? Chicken raisers painstakingly identify these calls manually to figure out how their chickens are faring—a sort of state of the chicknation, if you will. However, those days of manual identification might be nearing an end after a group of researchers developed an AI primed to identify stressed chicken noises. Called light-VGG11, the AI seems like a promising solution for those with large flocks of chickens after it accurately identified chicken distress calls among other recorded chicken calls. Read full article here

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