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New theory addresses frozen Earth paradox
CHAPEL HILL, N.C., Dec. 30 (UPI) -- University of North Carolina at Chapel Hill researchers say they have found two genes that are essential for the proper development of muscle.
The genes are among a recently discovered group of genes known as microRNAs, or miRNAs, which were first discovered in worms 12 years ago. Only in the past few years have they become recognized as essential gene regulators in many multicellular organisms, including humans, says senior author Dr. Da-Zhi Wang.
"Our interest is in understanding, at the level of gene expression, how muscle cells develop," said Wang. "As microRNAs are gaining acceptance as global regulators of gene expression, we questioned whether they could be involved in the development of muscle."
The findings are in the latest online edition of the journal Nature Genetics.
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WASHINGTON, May 31 (UPI) --
The U.S. House Thursday rejected a bill that would outlaw abortions based on gender, with abortion opponents promising to make the vote an election issue.
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OSLO, Norway, May 31 (UPI) --
Dozens of teenage girls suffered minor injuries during a stampede at a Justin Bieber concert in Oslo, Norway, officials said Thursday.
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BALTIMORE, May 31 (UPI) --
U.S. astronomers are forecasting the Milky Way will have a violent collision with the neighboring Andromeda galaxy in about 4 billion years.
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NORTHAMPTON, Mass., May 31 (UPI) --
A Massachusetts woman said she investigated bird sounds in her yard and discovered a baby cardinal with two heads and three beaks.
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