Uncategorized
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PsychologyPerfectionism works for some diabetics, but not for new moms
Demanding perfection of oneself boosts longevity for diabetic seniors, but it may prompt depression in new mothers.
By Bruce Bower -
PsychologyKids face up to disgust surprisingly late
A new study suggests that children don’t recognize facial expressions of disgust until age 5, much later than many researchers had assumed.
By Bruce Bower -
Materials ScienceQuantum photocells might cheat efficiency limits
Factoring in quantum coherence could increase efficiency of harnessing sunlight in photovoltaic cells.
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SpaceBig baby stars found in Milky Way pockets
Astronomers have uncovered stellar nurseries that could help map the galaxy’s trademark spiral arms.
By Ron Cowen -
Tanning bed use linked to melanoma risk
People with the skin cancer are more likely to have frequented the salons, a study finds.
By Nathan Seppa -
AnthropologyContested evidence pushes Ardi out of the woods
A controversial new investigation suggests that the ancient hominid lived on savannas, not in forests.
By Bruce Bower -
EcosystemsHoneybee death mystery deepens
Government scientists link colony collapse disorder to mix of fungal and viral infections.
By Eva Emerson -
Health & MedicineShark cartilage doesn’t appear to help lung cancer
Patients taking an extract show no improvement.
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Health & MedicineTiny blood vessels expel clots by force
A study in mice uncovers a new way that capillaries keep the flow going.
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PaleontologyOctopus origins
After examining more than 90 new specimens of Nectocaris pteryx, paleontologists put it near the root of the cephalopod evolutionary tree.
By Sid Perkins -
LifeBacterial chitchat proves distracting for wound healing
Microbial communication signals partially block skin cells from closing a cut.
By Eva Emerson -
HumansChaos makes a scream seem real
Researchers analyze movie sound tracks to identify the acoustic roots of fear.