Our Brains Are Shrinking
Our Brains Are Shrinking. Are We Getting Dumber？
When it comes to brain size， bigger doesn“t always mean better. As humans continue to evolve， scientists say our brains are actually getting smaller.
The downsizing of human brains is an evolutionary fact that took science writer Kathleen McAuliffe by surprise.
“I said， ”What？ I thought it was getting bigger！“” she tells NPR”s Jacki
