The brains of squid and humans evolve in the same way, despite their divergence by 500 million years
Scientists who watched neurons connect inside the eyes of growing squid discovered a fascinating secret – the brains of cephalopods independently evolved to develop in the same way as our own. The discovery was made using high-resolution cameras focused on the retinas of longfin squid (Doryteuthis pealeii) embryos, despite 500 million years of divergent evolution, …