Recent studies on phylogeny and evolution suggest that the tree of life may have a fourth branch. Some of this evidence, says Carl Zimmer at The Loom, comes from a newly-discovered group of viruses, called "giant viruses" because they are about a hundred times bigger than typical viruses and can have more than 1,000 genes.

Get the full story

This story is free
for registered users

Registering provides access to this and other free content.

Register now.

Already have an account?
Login Now.

Labs in the US and South Korea are hoping to bring the woolly mammoth back from beyond extinction, Newsweek writes.

Geneticist Adam Rutherford speaks with National Geographic about paleogenetics, race, and more.

Researchers link genetic links between education and smoking and longevity.

In PNAS this week: influence of gene environment interactions on polygenic traits, epigenetic features affecting fruit fly foraging, and more.