News
-
PhysicsBrutal Bubbles: Collapsing orbs rip apart atoms
Spikes of heat and pressure in sonoluminescence caused by the implosions of light-emitting bubbles in liquids can strip atoms of electrons.
By Peter Weiss -
Cytoplasm affects embryonic development
The DNA in a fertilized egg's mitochondria may play a pivotal role in the organism's growth.
-
Health & MedicineProtein may aid stroke recovery
Tests in mice have shown that erythropoietin, a red blood cell growth factor, can reverse brain damage caused by strokes.
By Nathan Seppa -
AstronomyHole power
New computer simulations and observations are adding to the evidence that supermassive black holes control the growth of the galaxies they inhabit, wielding an influence far beyond their gravitational grasp.