Confessions Of A Former Fireball; How Earth Became Habitable

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Scientists posit that “weird” dark green rocks that cannot be found today are a large part of how the Earth turned from an inhospitable fireball into a haven for life. Called pyroxenites, these rocks are enriched with a mineral called pyroxene and the element magnesium. These magnesium-rich minerals were hypothesised to have reacted with much of the atmospheric carbon dioxide, turning the CO2 into carbonates. These rocks sequestered CO2 ten times faster than is possible today, cooling down the young and scorching 200°C Earth. 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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