Aside from being an egg-laying mammal, the echidna is unique amongst other mammals because of its four-headed penis. How does it work? New research shows that it functions like a pair of two-headed penises; its urethra and erectile tissue split, so only one side of the penis is erect at a time, depending on which side gets more blood. Scientists speculate they evolved this way so they can ejaculate more often, increasing their chances of spreading their genes.
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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
Merv
August 15, 2022
