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Discussions by DavidMcC

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The lamprey's median eye.

DavidMcC - 20 November 2010 21 Comments

Has anyone (say, in the North American great lakes area) got access to live lampreys (sand eels)? The reason I ask is that I have a theory that the function of the adult lamrey's median eye isn't...

TAGGED: BIOLOGY, EVOLUTION, SCIENCE

Instant bipedalism?

DavidMcC - 13 October 2010 9 Comments

I recently found an article about a new class of "DNA objects" - long non-coding RNAs, which can provide a mechanism for direct modulation of gene expression levels by Hox genes, assuming that the...

TAGGED: BIOLOGY, EVOLUTION, GENETICS

A new silent catastrophe in the next few days?

DavidMcC - 27 June 2010 12 Comments

You might think that the Russians, of all people (after the Lysenko disaster) would recognize the importance of seedbanks in the struggle to avoid GW-related starvation in the future. But apparently...

TAGGED: BIOLOGY, POLITICS

Greatest Show on Earth - a quibble.

DavidMcC - 16 June 2010 43 Comments

Having read the book, I think it's great - apart from the section entitled "Lost Eyes". Here, RD suggests that human eyes are "badly designed". Part of this "bad design" is the "back-to-front"...

TAGGED: BIOLOGY, BOOKS, EVOLUTION, RICHARD DAWKINS