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Raven

raven

(Science: zoology) A large black passerine bird (Corvus corax), similar to the crow, but larger. It is native of the northern part of Europe, asia and America, and is noted for its sagacity.

(Science: zoology) sea raven, the cormorant.

Origin: AS. Hraefn; akin to raaf, G. Rabe, OHG. Hraban, Icel. Hrafn, Dan. Ravn, and perhaps to L. Corvus, Gr.


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Re: Growth on metal pot?!

As odinsravien (aka raven) said, it could be chemical. some kind of soap. But most dish washing products are surfactant based rather than soap. Is your water pretty hard (alot of Calcium and Magnesium)?

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by JorgeLobo
Sun Jun 10, 2012 7:30 pm
 
Forum: Microbiology
Topic: Growth on metal pot?!
Replies: 24
Views: 7798

5 best proofs of evolution

... sweep and for its scientific vision. With characteristic attention to detail, Stephen Jay Gould etc. Evolutionry THEORY. I am now convinced - raven (by either of his names) really is THAT stupid, and I know we can count on his whining childish ad hominem.

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by JorgeLobo
Thu May 31, 2012 2:32 am
 
Forum: Evolution
Topic: 5 best proofs of evolution
Replies: 170
Views: 222525

Is this Botany?

... of herb books out there so you should just start in one place (you will probably end up with a lot of books:-)) "Biology of plants" by Raven is a good place to start. Chemistry isn't the easiest subject to study by yourself but a good book is "Organic chemistry - a short course" ...

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by monarch
Sun May 25, 2008 9:47 pm
 
Forum: Botany Discussion
Topic: Is this Botany?
Replies: 12
Views: 8104

About Lysosomes

... Edition) by Neil A. Campbell and Jane B. Reece, they consider that lysosomes are absent in plant cells. But in BIOLOGY (Sixth Edition) by Peter H. Raven and George B. Johnson, they consider that lysosomes are present in both animal cells and plant cells. I search for other books that consider sphaerosomes ...

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by tianlai
Mon Feb 04, 2008 1:29 pm
 
Forum: Cell Biology
Topic: About Lysosomes
Replies: 6
Views: 7479

What's in a name?

... I would be comfortable with a class on refuting ID arguments, which can be easily done in a few minutes by any teacher. "Biology" by Raven and Johnson refutes the main ID arguments in one page, but it is enough to make everyone realize how illogical and unscientific those ideas are.

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by MrMistery
Sun Jan 13, 2008 4:08 pm
 
Forum: Evolution
Topic: What's in a name?
Replies: 41
Views: 13887
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