News
- Plants
Bleeding Trees: Microbial suspect named in beech deaths
A microbe related to the one that caused the Irish potato famine may be killing majestic old beech trees in the northeastern United States.
- Health & Medicine
Retina Rescue: Adult stem cells form blood vessels in the eye
Stem cells derived from bone marrow can grow into new blood vessels in the eyes of mice, suggesting a way to treat eye diseases in people.
- Astronomy
Icy Split: Comet fragments into 19 pieces
A comet has split into 19 fragments strung out along a million-kilometer-long chain.
-
