News
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Health & MedicineParkinson’s implants survive in brain
Human embryonic stem cells transplanted into the brains of people with Parkinson's disease survive and grow better in patients under 60 years of age than in older patients.
By Nathan Seppa -
AstronomyCreating a warmer, wetter Mars
A new study adds to the evidence that past volcanic activity could have temporarily created a warmer, wetter Mars, a place on which water once flowed freely.
By Ron Cowen -
Health & MedicineDrug helps against certain breast cancers
In some patients, the drug trastuzumab, also called Herceptin, slows breast cancer that has spread to other organs.
By Nathan Seppa -
PhysicsSome swell materials give up their secret
The discovery of a previously overlooked crystal structure in the best so-called piezoelectric materials may explain their remarkable amount of swelling when zapped by an electric field.