Genetics
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PlantsWhy 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 -
HumansAncient 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 -
HumansDNA 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 -
AnthropologyThis 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 -
GeneticsThere’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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HumansIndia’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 -
LifeCRISPR 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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AnimalsThere’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 -
GeneticsThis gene may help worms live longer, but not healthier
Antiaging therapies may have trade-offs, research on worms suggests.
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AnimalsGround 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 -
AnthropologyAncient DNA reveals the origins of the Philistines
A mysterious Biblical-era population may have fled Bronze Age calamities.
By Bruce Bower -
Health & MedicineAntioxidants may encourage the spread of lung cancer rather than prevent it
Antioxidants protect lung cancer cells from free radicals, but also spur metastasis, two new studies suggest.