Thats the first thing it says. There are other interpretations in the article.
Stibel believes that a changing climate, and not language, could explain our smaller brains. In a 2023 study, he analysed the skulls of 298 Homo sapiens over the past 50,000 years. He found that human brains have been shrinking for about the last 17,000 years or so – since the end of the last ice age. When he carefully examined the climate record, he found that decreasing brain sizes correlated with periods of climate warming.
Human brains have shrunk 13% in the last 100,000 yesrs
Smaller because they’re more efficient.
That’s one interpretation, sure
That’s literally what your linked article says.
Thats the first thing it says. There are other interpretations in the article.
Shit, that’s like half.