Health & Medicine
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Health & MedicineIn children, a sense of time starts early
Minutes, hours, days and years start to take on new meaning as children acquire a deeper concept of time.
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LifeShifted waking hours may pave the way to shifting metabolism
Shift workers are at higher risk for obesity and metabolic problems. Scientists are working hard to understand why the night shift makes our hormones go awry.
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LifeThe origin of biological clocks
Most of Earth’s creatures keep time with the planet’s day/night cycle. Scientists are still debating how and why the circadian clocks that govern biological timekeeping evolved.
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Health & MedicinePotential pain treatment’s mechanism deciphered
Scientists have new insight as to how a class of environment-sensing bone marrow cells can help safely relieve pain.
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LifeWomen blush when ovulating, and it doesn’t matter a bit
Women don’t signal their fertility in obvious ways like nonhuman primates. A new study shows that even skin flushes are too subtle to detect.
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GeneticsGene therapy restores hearing in mice
Scientists have used gene therapy to restore hearing in deaf mice.
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Health & MedicineNew cases of Ebola emerge in Liberia
Liberia has recorded three new Ebola cases after being declared free of the disease in May.
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LifeAge isn’t just a number
Getting old happens faster for some, and the reason may be in the blood.
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Health & MedicineSmell test may detect autism
A quick sniff test could reveal whether or not a child has autism, but some scientists have doubts.
By Meghan Rosen -
Health & MedicineE-cigarette reports provide science that society craves
Research on vaping fills a crucial need in science’s service to society: providing the best information possible in a timely manner, so people can make wise choices.
By Eva Emerson -
LifePuzzling cosmic signals, processed food defined and more reader feedback
Readers sort out a definition for processed food, discuss the benefits of tinkering with human DNA and more.
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Health & MedicineClot-snatching stroke treatment gets the green light
Snatching blood clots from the brain with a wire mesh stent is a new stroke treatment that is now supported in the United States.