If humans are getting smarter, why are our brains shrinking?

https://www.livescience.com/archaeology/human-evolution/if-humans-are-getting-smarter-why-are-our-brains-shrinking

Microbes may hold the key to brain evolution

https://phys.org/news/2026-01-microbes-key-brain-evolution.html

Rare seasonal brain shrinkage in shrews is driven by water loss, not cell death, MRI study reveals

https://phys.org/news/2025-08-rare-seasonal-brain-shrinkage-shrews.html

Bigger Brains and Strong Immunity Linked to Longer Lifespans

https://neurosciencenews.com/brain-size-immunity-longevvity-28857/

Study links relative brain volume to temperament in diverse dog breeds

https://phys.org/news/2024-11-links-brain-volume-temperament-diverse.html

What makes us human? UT Southwestern uncovers clues behind brain evolution

https://www.dallasnews.com/news/2023/11/08/what-makes-us-human-ut-southwestern-uncovers-clues-behind-brain-evolution/

Homo naledi had a brain one-third the size of humans but displayed intelligence far beyond, according to new discovery

https://abcnews.go.com/US/homo-naledi-brain-size-humans-displayed-intelligence-new/story?id=99838407

No, the Human Brain Did Not Shrink 3,000 Years Ago

https://neurosciencenews.com/evolution-brain-shrinkage-21195/

Why human brains were bigger 3,000 years ago

https://www.bbc.com/future/article/20220503-why-human-brains-were-bigger-3000-years-ago

Ce n’est pas la taille du cerveau qui compte

https://www.numerama.com/sciences/857975-ce-nest-pas-la-taille-du-cerveau-qui-compte.html

Bird Brain Evolution

https://www.americanscientist.org/article/bird-brain-evolution

Human body size shaped by climate, evolutionary study shows

https://www.theguardian.com/science/2021/jul/08/human-body-size-shaped-by-climate-evolutionary-study-shows

Fox-breeding experiment suggests domestication can boost brain size

https://www.newscientist.com/article/2280791-fox-breeding-experiment-suggests-domestication-can-boost-brain-size/

‘Big-brained’ mammals may just have small bodies, study suggests

https://www.theguardian.com/science/2021/apr/28/big-brained-mammals-may-just-have-small-bodies-study-suggests

Solving the mammal brain size puzzle

https://phys.org/news/2021-03-mammal-brain-size-puzzle.html

Scientists discover why the human brain is so big

https://www.theguardian.com/science/2021/mar/24/scientists-discover-why-the-human-brain-is-so-big

Happiness and the evolution of brain size

https://medicalxpress.com/news/2020-10-happiness-evolution-brain-size.html

Size matters: Bigger brains equal more complex hand movements in primates

https://bigthink.com/surprising-science/primate-brain-size.amp.html?__twitter_impression=true

Whales evolved large brains in the same way that we did

https://www.newscientist.com/article/2216683-whales-evolved-large-brains-in-the-same-way-that-we-did/#ixzz60yYqXHLd

Big brains or big guts: Choose one

https://www.sciencedaily.com/releases/2019/08/190823080016.htm