immune system
Infected Ants Chemically Attract Workers to Destroy Them
Infected Ants Chemically Attract Workers to Destroy Them
Jim Daley | Apr 1, 2018
Social insects kill infected individuals for the benefit of the colony—and now a study has shown how they know who’s sick.
Macrophages Play a Double Role in Cancer
Macrophages Play a Double Role in Cancer
Amanda B. Keener | Apr 1, 2018
Macrophages play numerous roles within tumors, leaving cancer researchers with a choice: eliminate the cells or recruit them.
Hungry Macrophages Keep Tattoos on Mice’s Skin
Hungry Macrophages Keep Tattoos on Mice’s Skin
Diana Kwon | Mar 7, 2018
A new study reveals that a constant stream of ink-gobbling immune cells helps hold tattoos in place.
Bats May Have Taken on Viruses To Stay in Flight
Bats May Have Taken on Viruses To Stay in Flight
Ashley Yeager | Feb 23, 2018
Dampening the immune response to stay up in the air may have helped bats become tolerant to viral infections.
Maternal Response to Zika Damages Mouse Fetuses
Maternal Response to Zika Damages Mouse Fetuses
Catherine Offord | Jan 5, 2018
Signaling pathways triggered by the mother’s immune system may cause complications during fetal development.
An Immunological Timeline for Pregnancy
An Immunological Timeline for Pregnancy
Catherine Offord | Sep 1, 2017
A new study uses blood samples from pregnant women to track changes in the immune system leading up to birth, and predicts gestational age from the mothers’ immune signatures.
The Cancer Genes Needed for Immunotherapy Response
The Cancer Genes Needed for Immunotherapy Response
Anna Azvolinsky | Aug 7, 2017
Using a large CRISPR-based screen, researchers find possible genetic culprits for patients not having success with immune checkpoint inhibitors.  
Fetal Immune System Operational by Second Trimester
Fetal Immune System Operational by Second Trimester
Abby Olena | Jun 14, 2017
Research shows that human immunity develops much earlier than previously thought, but functions differently in adults.
Image of the Day: Break Through
Image of the Day: Break Through
The Scientist Staff | Jan 20, 2017
Immune cells minimize damage while traveling through blood vessel walls by breaking the thin filaments of the cytoskeleton, which can rapidly reassemble.
Low Social Status May Weaken Immune System in Monkeys
Low Social Status May Weaken Immune System in Monkeys
Ben Andrew Henry | Nov 29, 2016
Life at the bottom of the pecking order ramps up inflammation, according to new research, an effect that appears to be reversible.