Archive for February, 2015

Snake Venom Snag

Castoe VIII


Snake Venom Snag

The genetics of snake venom driving evolution has recently emerged as a popular field of investigation. A new study published in the journal Molecular Biological and Evolution, however, has uncovered a critical new snag.

The evolution of snake venom had been hypothesized to originate through a gene duplication process followed by the actions of natural selection leading to increased venom toxicity over time. However, the research team lead by Todd Castoe (pictured), Assistant Professor of Biology at the University of Texas, has discovered a genetic snag challenging this once popular gene duplication theory. Continue Reading

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Darwin, Then and Now is a journey through the most amazing story in the history of science - the history of evolution. The book encapsulates who Darwin was, what he said, and what scientists have discovered since the publication of The Origin of Species in 1859.

With over 1,000 references, Darwin Then and Now is a historical chronicle of the rise and fall of the once popular theory of biological evolution.