January 28, 2021

The Niche

Trusted stem cell blog & resources

big brain

3 min read

Why do people have such a big brain compared to other animals? Vertebrate embryonic development is a highly conserved process, particularly in the earliest phases. (note: you may find this September 2020 post on regulation of bee brain size to be interesting.) A wide variety of vertebrate animals including humans start out with embryonic body plans that are similar. However, somewhere along the way, the ratio of the mass of the human brain/total body mass becomes very unusual, in fact completely unique. What is the …Read More