RT @TheEconomist: In 1957 56-days-old chickens weighed less than a kilogram. Their current counterparts weigh more than four times that https://t.co/KYKAd1Y5Ul https://t.co/asRjvEopDG -- via Twitter

In 1957 56-days-old chickens weighed less than a kilogram. Their current counterparts weigh more than four times that https://t.co/KYKAd1Y5Ul pic.twitter.com/asRjvEopDG

— The Economist (@TheEconomist) October 3, 2019

from Twitter https://twitter.com/EssamSalah

October 03, 2019 at 01:00PM
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