evolutionary biology
How These Rodents Got Their Stripes
How These Rodents Got Their Stripes
Ashley P. Taylor | Nov 2, 2016
The African striped mouse and the chipmunk develop dorsal stripes through a newly identified mechanism of coat color variation.
Week in Review: October 24–28
Week in Review: October 24–28
Bob Grant | Oct 27, 2016
Patient Zero exonerated; Jack Woodall dies; Wolbachia-harboring mosquitoes deployed in fight against Zika; implanted neurons function in adult mouse brain 
Week in Review: October 17–21
Week in Review: October 17–21
Jef Akst | Oct 21, 2016
Report finds that pathologist involved in anonymous defamation case committed multiple acts of misconduct; growing eggs from stem cells; neutrophils’ role in metastasis; convergent evolution in birds
Many Evolutionary Paths Lead to Same Bird Trait
Many Evolutionary Paths Lead to Same Bird Trait
Anna Azvolinsky | Oct 20, 2016
Diverse genetic changes lead to remarkably similar hemoglobin adaptations of diverse bird species, a study finds. 
Single-Celled Life Primed to Go Multicellular
Single-Celled Life Primed to Go Multicellular
Bob Grant | Oct 17, 2016
The unicellular ancestor of animals may have harbored some of the molecular tools that its many-celled descendants use to coordinate and direct cell differentiation and function, scientists show.
Week in Review: September 5–9
Week in Review: September 5–9
Jef Akst | Sep 9, 2016
Environmental magnetite in the human brain; prion structure takes shape; watching E. coli evolve in real time; learning from others’ behavior 
Using RNA to Amplify RNA
Using RNA to Amplify RNA
Abby Olena | Aug 15, 2016
Researchers apply in vitro evolution to generate an RNA enzyme capable of copying and amplifying RNA.
Opinion: Our Inner Caveman
Opinion: Our Inner Caveman
João Pedro de Magalhães | Aug 1, 2016
The modern human brain evolved in social and environmental settings very unlike today’s. Despite our cultural and technological progress, tribal instincts remain.
Opinion: Monogamy and Cooperation Are Connected Through Multiple Links
Opinion: Monogamy and Cooperation Are Connected Through Multiple Links
David F. Westneat, Jacqueline R. Dillard | Aug 1, 2016
Why does cooperation evolve most often in monogamous animals?
On Becoming Human
On Becoming Human
Mary Beth Aberlin | Aug 1, 2016
Some thoughts on going to the Galápagos