Did an ice age boost human brain size?

[woodyear99]

Ice Age FTW!

http://www.newscientist.com/article/mg20327194.000-did-an-ice-age-boost-human-brain-size.html

IT IS one of the biggest mysteries in human evolution. Why did we humans evolve such big brains, making us the unrivalled rulers of the world?

Some 2.5 million years ago, our ancestors' brains expanded from a mere 600 cubic centimetres to about a litre. Two new studies suggest it is no fluke that this brain boom coincided with the onset of an ice age. Cooler heads, it seems, allowed ancient human brains to let off steam and grow.
Cooler heads, it seems, allowed ancient human brains to let off steam and grow

For all its advantages, the modern human brain is a huge energy glutton, accounting for nearly half of our resting metabolic rate. About a decade ago, biologists David Schwartzman and George Middendorf of Howard University in Washington DC hypothesised that our modern brain could not have evolved until the Quaternary ice age started, about 2.5 million years ago. They reckoned such a large brain would have generated heat faster than it could dissipate it in the warmer climate of earlier times, but they lacked evidence to back their hypothesis.

[Crixx_Creww]

hmmm do not like this one bit...
it seems innocuous enough but surely... the eugenics freaks will have a field day with this one

whats that? colder climates where white people live= bigger smarter brains?? sounds like master adolf was on the right track after all!!!....

[woodyear99]

Yeah yuh know so because we have AC and fans we can just cope here sheesh.

[Crixx_Creww]

oh and look at that, the "scientist" involved ARE german, i was just making a shot in the dark with the hitler comment but come on!!

[Redlum08]

But Crixx, they saying "Human" brain size, not WHITE MAN brain size....ROFL

Besides, everybody knows Asians have far superior Intellect...AHAHAHAHAHA J/K

[woodyear99]

Wasn't that the argument those slave owners used?

[Crixx_Creww]

But Crixx, they saying "Human" brain size, not WHITE MAN brain size....ROFL

Besides, everybody knows Asians have far superior Intellect...AHAHAHAHAHA J/K

lol thanks for the laff i eh doubt yuh doh lol

but back to serious ting, no they arent just saying Human brain size, they saying mans brain grew thanks to cooling of the ice age. They are trying to be slick, not outrightly saying that well since the north is where the vast majority of the cooling was, and the cavemen of the north were "white"
and the grass skirt chikkun eating darkies from africa were in teh sweltering heat... teh caverzorors would have teh bigger brains. The next step as they stated would be to take measurements of brain sizes of teh cavemen vs teh darkies, to prove their theory that the cold made brains bigger.

THENNN the eugenic nuts/ neo nazis/whatever non white christian haters left will start saying see!!!
we told yalll dat dem darrr naayygurrs was stoopid!! hyukhyuk *back hands wife*