Category Archives: Evolution

The viruses inside us

Dendogram of endogenous retroviruses. Source: Wikipedia. Last month I posted a discussion on a PNAS paper that reported the discovery of a new class of viruses, called pithoviruses, found in a layer of Siberian permafrost. In their paper [1], the researchers conclude: “Our results further substantiate the possibility that infectious viral pathogens might be released […]

The Zika outbreak: a wake-up call about climate change?

People are still talking about the Ebola virus and its deadly outbreak in West Africa, and now a new virus is making the headlines: mostly innocuous and fairly unknown until a few weeks ago, the Zika virus is suddenly dominating the news for its putative link with a congenital birth defect that causes babies to […]