What's up in
During Pregnancy, a Fake ‘Infection’ Protects the Fetus
Cells in the placenta have an unusual trick for activating gentle immune defenses and keeping them turned on when no infection is present. It involves crafting and deploying a fake virus.
Global Microbiome Study Gives New View of Shared Health Risks
The most comprehensive survey of how we share our microbiomes suggests a new way of thinking about the risks of developing some diseases that aren’t usually considered contagious.
With Nothing to Eat Except Viruses, Some Microbes Thrive
“Virovores” — organisms that survive and multiply by eating viruses — might influence the flow of energy through ecosystems.
Bacteria’s Immune Sensors Reveal a Novel Way to Detect Viruses
A new study reveals that bacteria can fight viruses in a surprisingly elegant way that has no known counterpart in more complex life.