Mothers pass most mitochondrial genes, researchers find
Stanford researchers report mitochondrial DNA is inherited only from the mother, not from either parent for this key energy gene set. The finding reinforces the organelle's quasi autonomous nature and aids understanding of mitochondrial diseases such as Leber's hereditary optic atrophy and familial mitochondrial myopathy.
MENTIONED IN THIS ARTICLE
New York
Stanford University Medical School
Douglas Wallace
Stanford Group
Leber
Lava dome at Mount St Helens grows 83 feet in 24 hours
USGS and University of Washington scientists report the lava dome inside Mount St. Helens crater rose about 83 feet since Friday and the eruption pattern resembles the December-January non explosive event. Seismic activity has lessened, though local hazards from rockfalls or small flows remain possible as growth continues.
MENTIONED IN THIS ARTICLE
Vancouver
Wash
Mount St. Helens
U.S. Geological Survey
Bob Johns
USGS
Washington, D.C
University of Washington
Johns
Thom Corcoran
Forest Service
Fertility rate drops in U S a new census study notes
The Census Bureau reports American childbearing has fallen markedly with more women reaching fertile years without a baby. Projections vary on whether this trend will reverse, while births expected per married woman stay at 2.2. Hispanic women show higher fertility than non Hispanic peers.
MENTIONED IN THIS ARTICLE
Washington
Census Bureau
Martin O’connell
Carolyn C. Rogers
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