pigment, ecology, immunology, developmental biology
Image of the Day: Living Color
Image of the Day: Living Color
The Scientist Staff | Mar 8, 2018
Biodegradable pigments could be custom-grown by bacteria in the future, say researchers.  
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.
Circulating Mitochondrial DNA Alerts Immune System to Danger
Circulating Mitochondrial DNA Alerts Immune System to Danger
Katarina Zimmer | Mar 1, 2018
In response to short DNA fragments, lymphocytes release mitochondrial DNA that helps trigger an immune response.
Eat Yourself to Live: Autophagy’s Role in Health and Disease
Eat Yourself to Live: Autophagy’s Role in Health and Disease
Vikramjit Lahiri and Daniel J. Klionsky | Mar 1, 2018
New details of the molecular process by which our cells consume themselves point to therapeutic potential.
Are the Brains of Transgender People Different from Those of Cisgender People?
Are the Brains of Transgender People Different from Those of Cisgender People?
Shawna Williams | Mar 1, 2018
Research into the biological basis of gender identity is in its infancy, but clues are beginning to emerge.
Paradise Regained: How the Palmyra Atoll Got Rid of Invasive Mosquitoes
Paradise Regained: How the Palmyra Atoll Got Rid of Invasive Mosquitoes
Ruth Williams | Feb 28, 2018
The elimination of the biting pests was an added bonus after researchers unleashed a rat-eradication endeavor on the tiny islands.  
Stem Cell Vaccine Protects Mice From Cancer
Stem Cell Vaccine Protects Mice From Cancer
Ruth Williams | Feb 15, 2018
Stem cells and cancer cells have enough molecular similarities that the former can be used to trigger immunity against the latter.
Amazonian Fish Genome Challenges Long-Held Assumptions About Asexual Reproduction
Amazonian Fish Genome Challenges Long-Held Assumptions About Asexual Reproduction
Jim Daley | Feb 15, 2018
Poecilia formosa, an all-female fish species, has a surprisingly robust genome. 
Primitive Human Eggs Grown to Full Maturity in the Lab
Primitive Human Eggs Grown to Full Maturity in the Lab
Ashley Yeager | Feb 9, 2018
The technique could combat infertility, but it's still not clear whether these eggs are normal and functional.
Researchers Develop Potential Blood Test for Alzheimer’s Disease
Researchers Develop Potential Blood Test for Alzheimer’s Disease
Catherine Offord | Feb 2, 2018
The test uses levels of plasma amyloid-β to estimate the buildup of protein plaques in the brain.