The findings from a toddler’s severe infection with Shiga-toxin E. coli could help identify genetic markers and potential vaccines for the increasingly common pathogen.
Tags: bacteria genes e-coli health-and-medicine food-poisoning
The remains of Bronze Age warriors suggest lactose tolerance, or the ability to digest milk, spread rapidly throughout Central Europe.
Tags: evolution history food genes bones science-and-technology health-and-medicine milk dairy
Variation in a group of genes called a "supergene" explains why two kinds of white-throated sparrows have different levels of aggression, researchers say.
Tags: evolution birds genes aggression science-and-technology
New evidence suggests that the way brains work across the animal kingdom goes back to a common source, researchers report.
Tags: evolution mammals insects genes brains science-and-technology neurodevelopment
The genomes of six living bat species reveals the source of some of their superpowers, including echolocation, flight, and imperviousness to certain deadly viruses.
Tags: evolution genes genomes bats science-and-technology
New research clarifies the throat and belly colors of hybrid warblers. It's plumage that ornithologists have puzzled over for a long time.
Tags: birds genes genomes colors science-and-technology earth-and-environment
There may be a connection between genes involved in the opioid system and feelings of insecurity in romantic relationships, researchers find.
Tags: evolution genes pain emotions relationships featured social-lives health-and-medicine love
DNA from a 9,500-year-old dog from the Siberian island of Zhokhov provides a new picture of sled dogs today, including huskies and malamutes.
Tags: dogs genes arctic siberia wolves science-and-technology
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