- Man shot by police ID'd; witness shares his side of story (2/17/17)31
- Settlement reached in accidental shooting case at Kelly High (2/15/17)10
- Jackson board votes to demolish high school building if bond issue passes (2/15/17)24
- MSHP: McLendon shot in side; autopsy refutes witness account (2/19/17)23
- Cape officer shoots man inside a home (2/16/17)7
- Panda Express restaurant coming to Cape's Siemers Drive (2/14/17)2
- Business notebook: Owners ready to roll out the Barrel 131 (2/20/17)3
- Former Cape cop indicted on possessing child porn (2/17/17)
- Man dies after being shot by officer; said to have come at cop with knife (2/16/17)29
- Ray's of Kelso to close, then reopen under new ownership (2/16/17)6
Study disputes claim about life in ancient rock
WASHINGTON -- A conclusion that a 3.85-billion-year-old rock contains evidence of life may be in error, according to a study that suggests the rock formed at temperatures too torrid to make life possible.
A study published in 1996 concluded a band of rocks on the Greenland offshore island of Akilia contained a high ratio of the isotope carbon-12, which was interpreted as evidence for the presence of microscopic life billions of years ago.
But the new study, by Christopher M. Fedo, a George Washington University geologist, and Martin J. Whitehouse of the Swedish Museum of Natural History, concludes the Akilia deposit was formed from superheated melted rock and that the enriched levels of carbon-12 could have been caused by chemical action, not by some life form.