Humans
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We summarize the week's scientific breakthroughs every Thursday.
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		AnthropologyWestern Europe’s oldest face adds new wrinkles to human evolution
Face bones unearthed in a cave suggest that members of our genus, Homo, reached northern Spain as early as 1.4 million years ago.
By Bruce Bower - 			
			
		NeuroscienceParenthood may help the brain stay young
A study of nearly 38,000 adults shows that the number of kids correlates with coordination of brain regions’ activities — regardless of parents’ sex.
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		Health & Medicine6 things to know about antidepressants
An abundance of data show that SSRIs, a class of drugs commonly used as antidepressants, are effective, though, like any drug, they have risks.
By Meghan Rosen and Laura Sanders - 			
			
		Health & MedicineBrain implants don’t change a person’s sense of self. Hear why
In the fifth episode of The Deep End, volunteers describe what it’s like to live with the stigma of depression and the treatments they seek for it.
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		Science & Society5 years after COVID-19 became a pandemic, are we ready for what’s next?
We’ve learned a lot about COVID-19 over the last five years, but big questions remain. Recent federal actions may hinder the disease’s management.
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		Artificial IntelligenceMedical AI tools are growing, but are they being tested properly?
AI medical benchmark tests fall short because they don’t test efficiency on real tasks such as writing medical notes, experts say.
By Ananya - 			
			
		Health & MedicineTreating male partners along with women may help stop bacterial vaginosis
In a clinical trial, treating both partners in a relationship significantly reduced the likelihood of recurrence of bacterial vaginosis.
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		ArchaeologyHuman ancestors made the oldest known bone tools 1.5 million years ago
The excavation of bone tools at Olduvai Gorge in Tanzania expands the range of ancient hominids’ cultural innovations.
By Bruce Bower - 			
			
		Health & MedicineThese scientists have a plan to demystify the vaginal microbiome
Vaginal microbes play a huge role in overall health, but researchers know relatively little about them. Citizen science could help change that.
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		PhysicsThe sound of clapping, explained by physics
The “Helmholtz resonator” concept explains the frequencies of sound produced by clapping the hands together in different configurations.
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		GeneticsA child who got CAR-T cancer therapy is still disease-free 18 years later
The long-term survival of a patient with neuroblastoma suggests the personalized cancer treatment may work for solid tumors, not just blood cancers.
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		Health & MedicineHear how people re-learn to live with emotions during brain stimulation
In the fourth episode of The Deep End, Jon Nelson and others describe dealing with emotions they haven’t felt in a long time.