My Daughter’s First Pet—the Next Big Model Organism?
My Daughter’s First Pet—the Next Big Model Organism?
Bettas were likely the first fish welcomed into human homes. Now, scientists are welcoming them into the lab to learn how genes dictate their appearance and behavior.
My Daughter’s First Pet—the Next Big Model Organism?
My Daughter’s First Pet—the Next Big Model Organism?

Bettas were likely the first fish welcomed into human homes. Now, scientists are welcoming them into the lab to learn how genes dictate their appearance and behavior.

Bettas were likely the first fish welcomed into human homes. Now, scientists are welcoming them into the lab to learn how genes dictate their appearance and behavior.

evolutionary genomics
Giant Viruses Can Integrate into the Genomes of Their Hosts
Giant Viruses Can Integrate into the Genomes of Their Hosts
Amanda Heidt | Nov 19, 2020
Rather than introducing small chunks of DNA as other viruses do, some giant viruses can contribute more than 1 million base pairs to a host’s genome, broadening the ways in which viruses may shape eukaryote evolution.
New Genome Sequences Reveal Undescribed African Migration
New Genome Sequences Reveal Undescribed African Migration
Max Kozlov | Oct 29, 2020
An analysis of the genomes of people from 50 ethnolinguistic groups in Africa spots 62 genes under positive selection and 3 million more genetic variants than previously documented.
Ancient Humans Had Hepatitis B
Ancient Humans Had Hepatitis B
Abby Olena | May 9, 2018
Analyses of more than 300 ancient human genomes show that Hepatitis B virus has infected humans for at least 4,500 years and has much older origins than modern viral genomes would suggest.
Effects of Neanderthal DNA on Modern Humans
Effects of Neanderthal DNA on Modern Humans
Ruth Williams | Oct 5, 2017
A new study reveals how Neanderthal DNA in the genomes of present-day British people influences their traits.
Do Pathogens Gain Virulence as Hosts Become More Resistant?
Do Pathogens Gain Virulence as Hosts Become More Resistant?
Andrew F. Read and Peter J. Kerr | Oct 1, 2017
Emerging infections provide clues about how pathogens might evolve when farm animals are protected from infection.
Infographic: Evolving Virulence
Infographic: Evolving Virulence
Andrew F. Read and Peter J. Kerr | Sep 30, 2017
Tracking the myxoma virus in the wild rabbit populations of Australia has yielded insight into how pathogens and their hosts evolve.
Lords of the Flies
Lords of the Flies
Aggie Mika | Jun 19, 2017
Biologists’ walk in the woods sparks the creation of a masterful fruit fly field guide. 
New Giant Virus Group Reported
New Giant Virus Group Reported
Diana Kwon | Apr 6, 2017
A genomic analysis of “Klosneuviruses” suggests that they evolved from small viruses that accumulated genetic material over time, but not all virologists are convinced. 
Non-Chromosomal DNA Drives Tumor Evolution
Non-Chromosomal DNA Drives Tumor Evolution
Anna Azvolinsky | Feb 8, 2017
Researchers discover that short pieces of DNA harboring oncogenes are relatively widespread in cancer.
Humans Never Stopped Evolving
Humans Never Stopped Evolving
John Hawks | Aug 1, 2016
The emergence of blood abnormalities, an adult ability to digest milk, and changes in our physical appearance point to the continued evolution of the human race.
Neanderthals’ Genetic Legacy
Neanderthals’ Genetic Legacy
Ruth Williams | Feb 11, 2016
Ancient DNA in the genomes of modern humans influences a range of physiological traits.
Pumpkins Saved By People?
Pumpkins Saved By People?
Jef Akst | Nov 25, 2015
Domestication may have saved pumpkins, gourds, and squash as seed dispersers like the mastodon went extinct. 
Computer Science Pioneer Dies
Computer Science Pioneer Dies
Amanda B. Keener | Aug 21, 2015
John Henry Holland, who developed genetic algorithms, has passed away. He was 86.
Fending Off Infection in Future Generations
Fending Off Infection in Future Generations
Jef Akst | Aug 17, 2015
Female fruit flies challenged with infection during their lifetimes have offspring with greater genetic diversity.
Genomic Elements Reveal Human Diversity
Genomic Elements Reveal Human Diversity
Anna Azvolinsky | Aug 6, 2015
Duplication of copy number variants may be the source of greatest diversity among people, researchers find.
Lost Y Chromosome Genes Found on Autosomes
Lost Y Chromosome Genes Found on Autosomes
Anna Azvolinsky | May 27, 2015
Mammalian Y chromosome genes with important functions are transferred to autosomal chromosomes more often than previously thought, a study shows.
Genome Digest
Genome Digest
Amanda B. Keener | May 21, 2015
What researchers are learning as they sequence, map, and decode species’ genomes
The Rainbow Connection
The Rainbow Connection
Kerry Grens | Oct 1, 2014
Color vision as we know it resulted from one fortuitous genetic event after another.
Beyond the Blueprint
Beyond the Blueprint
Jennifer A. Schweitzer, Mark A. Genung, Joseph K. Bailey | Sep 1, 2014
In addition to serving as a set of instructions to build an individual, the genome can influence neighboring organisms and, potentially, entire ecosystems.