Octopus have perhaps the most complicated brain in the entire animal kingdom. Trace explains why it's so cool and how their brain allows the octopus to be such an awesome creature.

Read More:
How the Freaky Octopus Can Help us Understand the Human Brain
http://www.wired.com/wiredscience/2013/10/how-the-freaky-octopus-can-help-us-understand-the-human-brain/
"The octopus is weird: eerily malleable body, sucker-studded arms, skin that can transform into a convincing facsimile of seaweed-or sand-in a flash. It can solve mazes, open jars, use tools. It even has what seems to be a sophisticated inner life."

Endless Arms Most Beautiful
http://theamericanscholar.org/endless-arms-most-beautiful/#.UkxeW2Sgnio
"Darwin concludes his great book by noting that life on earth began with only a few forms or even with just one form. He marvels that 'from so simple a beginning endless forms most beautiful and most wonderful have been, and are being, evolved.'"

How Smart Is the Octopus?
http://www.slate.com/articles/health_and_science/science/2008/06/how_smart_is_the_octopus.html
"Aristotle didn't have a high opinion of the octopus. 'The octopus is a stupid creature,' he wrote, 'for it will approach a man's hand if it be lowered in the water.' Twenty-four centuries later, this 'stupid' creature is enjoying a much better reputation. YouTube is loaded with evidence of what some might call octopus intelligence."

Cephalopod consciousness: Behavioural evidence
http://www.sciencedirect.com/science/article/pii/S1053810006001504
"Behavioural evidence suggests that cephalopod molluscs may have a form of primary consciousness."

The octopus' 'human-like' intelligence
http://theweek.com/article/index/221420/the-octopus-human-like-intelligence
"The eight-armed mollusk can use tools, recognize humans, and even play games. Time to bow down before our new cephalopod overlords?"

Is the human brain still evolving?
http://science.howstuffworks.com/life/inside-the-mind/human-brain/brain-evolution.htm
"The story of evolution up to this point explains how we became the upright walking, tool-using homo sapiens of today. The turning point of this story so far concerns cranial expansion."

How Has the Human Brain Evolved?
http://www.scientificamerican.com/article.cfm?id=how-has-human-brain-evolved
"Humans are known for sporting big brains. On average, the size of primates' brains is nearly double what is expected for mammals of the same body size. Across nearly seven million years, the human brain has tripled in size, with most of this growth occurring in the past two million years."

Octopus
http://jrscience.wcp.muohio.edu/fieldcourses03/PapersMarineEcologyArticles/Octopus.html
"Would you believe me if I told you that a sea creature such as the Octopus has the ability to problem solve, similar to humans, having a developed short and long-term memory?"

Watch More:
Why Squid Are TERRIFYING!
http://testtube.com/dnews/dnews-551-squid-terror
Robot Jellyfish On Patrol
http://testtube.com/dnews/dnews-243-robot-jellyfish-patrolling-the-oceans
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