Cro Magnon skull shows that our brains have shrunk

http://phys.org/news/2010-03-cro-magnon-skull-brains-shrunk.html

Researchers figure out similarities in brain architecture between birdsand apes

http://archaeologynewsnetwork.blogspot.co.uk/2016/03/researchers-figure-out-similarities-in.html

How Humans Evolved Supersize Brains

https://www.quantamagazine.org/20151110-evolution-of-big-brains

A Genetic Map Hints At What Makes A Brain Human

http://www.npr.org/sections/health-shots/2015/11/16/456197216/a-genetic-map-hints-at-what-makes-a-brain-human?utm_source=hootsuite

Why Some Animals Have a Head for Directions [Cartoon]

http://www.scientificamerican.com/article/why-some-animals-have-a-head-for-directions-cartoon/

Down From the Trees, Humans Finally Got a Decent Night’s Sleep

http://mobile.nytimes.com/2015/12/22/science/down-from-the-trees-humans-finally-got-a-decent-nights-sleep.html