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Is Darwin Threatened by Cocaine-Addicted Rats?

Nessa Carey | Posted 03.09.2013 | Science
Nessa Carey

Using experimental systems where male rats can self-administer cocaine, researchers found that the sons of the cocaine-using fathers were resistant to the allure of cocaine. These results seem counterintuitive from a scientific viewpoint.

Epigenetics I: Turning a DNA Packaging Problem Into a Developmental Control System

James A. Shapiro | Posted 09.08.2012 | Science
James A. Shapiro

Two postings back, I promised a commenter called Sierkovitz that I would discuss epigenetics. This is an important subject with major implications for understanding natural genetic engineering in evolution.