Birds

“Bird Brain” Revision Needed

“Bird brain” revision needed according to an article in Outside JEB 9 May 2018 doi:10.1242/jeb.170001 and Current Biology doi:10.1016/j.cub.2018.01.036, 5 March 2018. Birds have small brains without a cerebral cortex, the folded multilayered outer region of mammal brains that supposedly makes mammals smarter than other creatures.  Thus, the epithet “bird-brain” is used to insult someone’s […]

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Humans Getting Dumber

“Human beings are getting dumber” proclaims an article in news.com 19 February 2013. This blunt unflattering assessment of humanity is based on articles by Gerald Crabtree of Stanford University entitled “Our Fragile Intellect” published in Trends in Genetics January 2013. Crabtree lists two reasons: genetic mutations have damaged genes involved in human intellect, and evolution […]

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