How an embryo draws the line between body and germline

Every embryo of an organism that reproduces sexually faces an early and consequential decision: which of its cell lineages will make up the mortal body, and which will become the germline, the lineage that eventually makes ...

Bacteria may identify a virus without recognizing its DNA

When a virus enters a cell, its top priority is to replicate its genome rapidly, creating new viruses to infect elsewhere. The host has the opposite priority: to destroy the virus, ideally before it can do any harm. Biology ...

High winds hamper firefighting efforts in western Turkey

Hundreds of firefighters were battling strong winds Friday as they fought a wildfire in southwestern Turkey. High winds stoked a new blaze, complicating efforts to bring the fires under control, a minister said.

Uncovering the structure of the poxvirus 'portal complex'

Poxviruses have a long history in human disease as well as medicine: The first-ever vaccine was developed to protect against smallpox, which has since been eradicated. Despite this, scientists still don't fully understand ...

page 11 from 40