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GreatWhiteShark's Avatar Joined almost 2 years ago
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Go to: Where We Split from Sharks: Common Ancestor Comes Into Focus

GreatWhiteShark's Avatar Jump to comment 22 by GreatWhiteShark

As a great white shark my evolutionary prestige is undeniable, your welcome for the jaw. (although before someone attacks me Im well aware it evolved from a shared ancestor well before my time)

Fri, 22 Jun 2012 20:00:58 UTC | #947966

Go to: Neurons in Bird Brains Encode Earth's Magnetic Field

GreatWhiteShark's Avatar Jump to comment 5 by GreatWhiteShark

Comment 3 by GreatWhiteShark :

Comment 1 by Neodarwinian :

But arent these recpetors using the field as an indicator for direction, rather than a map? Forgive me if I am ignorant.

Comment 4 by Neodarwinian :

@ GreatWhiteShark

I meant North becoming South, or the other way around. You may have to forgive my ignorance here!

Forgiving and ignorant, how very Christian of us!

Thu, 03 May 2012 01:22:03 UTC | #939227

Go to: Neurons in Bird Brains Encode Earth's Magnetic Field

GreatWhiteShark's Avatar Jump to comment 3 by GreatWhiteShark

Comment 1 by Neodarwinian :

I wonder what will happen when the magnetic field reverses? If through evolution would there be a selective pressure period? Brain plasticity? That last one, plasticity, requires further thought.

But arent these recpetors using the field as an indicator for direction, rather than a map? Forgive me if I am ignorant.

Wed, 02 May 2012 19:53:14 UTC | #939118

Go to: Open letter and video re threat to GM Research

GreatWhiteShark's Avatar Jump to comment 20 by GreatWhiteShark

Comment 7 by henscastle :

Remember – all plants in all types of agriculture are genetically modified to serve humanity’s needs.

Misleading nugget there - intended to confuse conventional breeding techniques and genetic modification. Typical for the pro-GM lobby, but less than acceptable on a site with the motto 'For Reason and Science.'

I disagree, since the agricultural revolution we have been shaping the genepools of crops to be more productive. Previous to that we were doing it for livestock. GM is not a new thing, but more the next step in artificial selection, and though i agree its misuse is to be avoided to fear it and destroy its research is ignoring the reason why it exists. 7 billion people on planet earth, and all of them need feeding.

Wed, 02 May 2012 15:45:11 UTC | #939048

Go to: Family disputes create rebel bees

GreatWhiteShark's Avatar Jump to comment 13 by GreatWhiteShark

Comment 9 by 78rpm :

Bumblebees have colonies, but the whole colony dies out over the winter, with newly fertilized princess/queens hibernating on trees until spring when they can start a new colony. Your other questions are beyond my knowledge.

I have read that the evolutionary history of the Bee is altogether hazy. There are around 19,200 species of bee, classified into seven families. About 500 of those species are 'honey bees'. No one is sure which family is the most primitive, all they are reaosnably sure of is that bees evolved from a wasp like ancestor, so it appears my questions are beyond knowledge in general... story of my life.

Wed, 02 May 2012 01:46:18 UTC | #938903

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