Genetics
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Life
Losing genes may have helped whales’ ancestors adapt to life under the sea
Jettisoning genes tied to saliva and the lungs, among others, could have smoothed ancient cetaceans’ land-to-water transition 50 million years ago.
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Health & Medicine
Disabling one protein might one day lead to a cure for the common cold
Scientists have identified a protein in humans that some viruses, including those that cause colds, need to spread.
By Sofie Bates -
Plants
Why tumbleweeds may be more science fiction than Old West
A tumbleweed is just a maternal plant corpse giving her living seeds a chance at a good life somewhere new.
By Susan Milius -
Humans
Ancient DNA reveals the first glimpse of what a Denisovan may have looked like
A controversial technique reconstructs a teenage Denisovan’s physical appearance from genetics.
By Bruce Bower -
Humans
DNA indicates how ancient migrations shaped South Asian languages and farming
Farming in the region may have sprung up locally, while herders from afar sparked language changes.
By Bruce Bower -
Anthropology
This ancient Denisovan finger bone is surprisingly humanlike
Despite Neandertal ties, extinct hominids called Denisovans had a touching link to humans, a new study finds.
By Bruce Bower -
Genetics
There’s no evidence that a single ‘gay gene’ exists
Many genetic factors with small effects combine with one’s environment to influence sexual behavior, researchers say.
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Humans
India’s Skeleton Lake contains the bones of mysterious European migrants
Not all of the hundreds of skeletons found at a north Indian lake are from the same place or period. What killed any of these people is still unknown.
By Bruce Bower -
Life
CRISPR enters its first human clinical trials
The gene editor will be used in lab dishes in cancer and blood disorder trials, and to directly edit a gene in human eyes in a blindness therapy test.
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Animals
There’s more to pufferfish than that goofy spiked balloon
Three odd things about pufferfishes: how they mate, how they bite and what’s up with no fish scales?
By Susan Milius -
Genetics
This gene may help worms live longer, but not healthier
Antiaging therapies may have trade-offs, research on worms suggests.
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Animals
Ground beetle genitals have the genetic ability to get strange. They don’t
A new look at the genetics of sex organs finds underpinnings of conflicts over genital size.
By Susan Milius