Molecular dated Bayesian phylogeny of RBP region 5 showing the 9 closest relatives to SARS-CoV-2. SARS-CoV-2 likely shared a common ancestor with RaTG13 about 40 years ago. (Lytras et al., bioarxiv, 2021)

Introduction

The origins of SARS-CoV-2, the virus responsible for Covid-19, have been investigated since at least January 2020, when the virus has been isolated and sequenced from patient samples in Wuhan, China. Once the pandemic started…

Image by macrovector

What is life?

The short answer is that there is no universally accepted definition. The deeper scientists inquire, the more complex the question becomes, because nature is ripe with self-replicating systems, living grey zones from autocatalytic chemistry to elusive megaviruses to early microorganisms. …

Philipp Markolin

Academic jack-of.many-traits. Occupied with communicating science and scientific ideas to a broader audience. Editor of Advances in biological science.

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