News
-
ChemistryMolecular surgery traps hydrogen inside carbon cage
In a feat of precision chemistry, scientists have locked a pair of hydrogen atoms inside a soccer ball–shaped carbon molecule known as a buckyball.
-
Health & MedicineSouthern blacks face excess risk of stroke
Blacks living in southern U.S. states have a greater risk of dying of stroke than do blacks living in northern states.
By Nathan Seppa -
Health & MedicineStroke patients show dearth of vitamin D
People recovering from a stroke have less vitamin D in their systems than do healthy peers, which could explain why stroke patients often have low bone density and risk breaking bones.