News
-
Materials ScienceTiny gems on steps find future in films
The discovery of diamond-crystal seeds on steps in silicon may lead to long-sought, large wafers of pure, single-crystal diamond for electronics and other uses.
By Peter Weiss -
The moon also rises—and assumes new sizes
The perplexing human tendency to perceive a moon on the horizon as larger than an elevated moon may arise from visual cues indicating that the horizon moon is located much farther away.
By Bruce Bower -
Health & MedicineGlutamate glut linked to multiple sclerosis
The chemical glutamate can overwhelm nervous-system cells called oligodendrocytes, adding to the nerve damage caused by wayward immune cells in multiple sclerosis.