Brains are getting smaller in modern humans

https://www.psypost.org/2021/11/brains-are-getting-smaller-in-modern-humans-62124

Overlooked DNA may be what separates humans from other primates - study

https://www.jpost.com/science/overlooked-dna-may-be-what-separates-humans-from-other-primates-study-684927

Tool Use and Language Skills Are Linked in the Brain: Practicing One Improves the Other

https://neurosciencenews.com/tool-language-brain-19646/

Brainless sponges contain early echoes of a nervous system

https://www.sciencenews.org/article/sponge-nervous-system-brain-cells-digest-feed

Was Eating Insects Key to Human Brain Evolution?

https://www.pbs.org/wgbh/nova/video/was-eating-insects-key-to-human-brain-evolution/

Mosaic brain evolution in guppies helps to explain vertebrate cognitive evolution

https://phys.org/news/2021-11-mosaic-brain-evolution-guppies-vertebrate.html

Bird Brain Evolution

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

A Striking Difference Between Neurons of Humans and Other Mammals

https://neurosciencenews.com/human-neurons-ion-channels-19633/