Search Results for: mutations
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- Ecosystems
Madagascar’s predators are probably vulnerable to toxic toads
The Asian common toad, an invasive species in Madagascar, produces a toxin in its skin that’s probably toxic to most of the island’s predators.
- Animals
Why some mammal species don’t have descended testicles, but most do
New research studying genetic vestiges suggests that descended testicles are as ancient as the first placental mammal.
By Angus Chen - Health & Medicine
Malaysia is ground zero for the next malaria menace
With deforestation in Malaysia, monkeys and humans are getting closer — and mosquitoes are infecting humans with malaria from monkeys.
By Yao-Hua Law - Animals
Green blood in lizards probably evolved four times
Pigment buildups that would cause jaundice in people are normal for some New Guinea skinks.
By Susan Milius - Animals
To understand the origins of pain, ask a flatworm
A danger-sensing protein responds to hydrogen peroxide in planarians, results that hint at the evolutionary origins of people’s pain sensing.
- Genetics
Ancient DNA bucks tale of how the horse was tamed
DNA from ancient horses reveals early domestication involved plenty of stallions.
- Genetics
DNA reveals how cats achieved world domination
Analysis of 9,000 years of cat remains suggests two waves of migration
- Genetics
CRISPR used in cows to help fight tuberculosis
Chinese researchers used a CRISPR/Cas 9 gene editor to make cows more resistant to tuberculosis.
- Life
Hybrids reveal the barriers to successful mating between species
Scientists don’t understand the process of speciation, but hybrids can reveal the genes that keep species apart.
- Genetics
Gene gives mice and chipmunks their pinstripes
A recycled regulator paints on rodents’ light stripes.
- Genetics
Darwin’s Dogs wants your dog’s DNA
The Darwin’s Dogs citizen science project is collecting canine DNA to better understand dog genetics and behavior.
- Genetics
DNA evidence is rewriting domestication origin stories
DNA studies are rewriting the how-we-met stories of domestication.