bioluminescence, evolution
Fraction of SNPs Can Affect Fitness
Fraction of SNPs Can Affect Fitness
Kerry Grens | Jan 21, 2015
A point mutation analysis of the entire human genome finds that alterations to as many as 7.5 percent of nucleotides may have contributed to humans’ evolutionary split from chimpanzees.
Tracking Tuberculosis Over Time
Tracking Tuberculosis Over Time
Jenny Rood | Jan 19, 2015
Genomic analysis of a multidrug-resistant lineage pinpoints historical correlations with human events.
Reassessing One Really Old Fish
Reassessing One Really Old Fish
Jenny Rood | Jan 13, 2015
New analysis of an ancient specimen prompts a rethink of fish forebears.
The Benefits of Being a “Bearded Lady”
The Benefits of Being a “Bearded Lady”
Bob Grant | Jan 8, 2015
A study of female eastern fence lizards that bear a distinctly male trait yields tantalizing clues about the tradeoffs involved in blurring the lines of sexual dimorphism.
Picturing Infection
Picturing Infection
Kelly Rae Chi | Jan 1, 2015
Whole-animal, light-based imaging of infected small mammals
Why, Oh Y?
Why, Oh Y?
Jef Akst | Jan 1, 2015
A toothpick and a bit of chance shaped David Page’s career, which he has dedicated to understanding the mammalian Y chromosome and fetal germ cell development.
Performance Art
Performance Art
Mary Beth Aberlin | Jan 1, 2015
Regulation of genome expression orchestrates the behavior of insect castes and the human response to social stress.
Contributors
Contributors
Molly Sharlach | Jan 1, 2015
Meet some of the people featured in the January 2015 issue of The Scientist.
The Genetics of Society
The Genetics of Society
Claire Asher and Seirian Sumner | Jan 1, 2015
Researchers aim to unravel the molecular mechanisms by which a single genotype gives rise to diverse castes in eusocial organisms.
Unraveling H7N9’s History
Unraveling H7N9’s History
Kate Yandell | Dec 30, 2014
An analysis of stored samples shows that H7N9 precursor H9N2, a virus widespread in chickens, has shown increased fitness in recent years.