News
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Health & MedicineBreast cancer options made clearer
An inexpensive test for two proteins in the blood can indicate whether women with breast cancer that hasn't yet spread to lymph nodes are likely to face such a relapse after surgery.
By Nathan Seppa -
EarthImpurities clock crystal growth rates
A novel method for measuring tiny amounts of hydrogen-containing impurities allows researchers to determine growth rates along different directions in a quartz crystal.
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Dementia may travel lonely road in elderly
Social isolation may promote the development of Alzheimer's disease and other brain ailments among elderly people.
By Bruce Bower -
Nerve connections come ready to assemble
Nerve cells seem to package key components of synapses—the specialized complexes than connect the nerve cells—and collectively ship the material to points where these complexes take shape.