IUBio

brain sizes: Einstein's and women's

Bob LeChevalier lojbab at lojban.org
Wed Jul 17 22:41:13 EST 2002


"John Knight" <johnknight at usa.com> wrote:
>> There are animals with more brain cells than humans have, no?
>
>Correct.  "no".  None of them.  Even 9 foot apes have brains a quarter the
>size of human brains.  Dynasaurs had brains the size of an orange.  The
>human brain is a quantum leap in size, quality, and output.

The human brain is around 1400 grams. Porpoises have brains weighing around
1700 grams.
http://serendip.brynmawr.edu/bb/kinser/Size1.html

Elephants and whales have significantly larger brains than humans
http://serendip.brynmawr.edu/bb/kinser/Size5.html
http://brainmuseum.org/Evolution/paleo/
http://www.worldalmanacforkids.com/explore/animals/whale.html
with elephants having brains 3 times the size of humans and sperm whales
having brains more than 6 times the size of humans (20 pounds).  Blue whales
have the largest brains

lojbab



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