Search results for DNA:
Introns: A mystery renewed
22 hours ago |
4.8 / 5 (4) |
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The sequences of nonsense DNA that interrupt genes could be far more important to the evolution of genomes than previously thought, according to a recent Science report by Indiana University Bloomington and ...
Scientists find way to catalog all that goes wrong in a cancer cell
16 hours ago |
4.7 / 5 (3) |
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(PhysOrg.com) -- A team of Princeton University scientists has produced a systematic listing of the ways a particular cancerous cell has "gone wrong," giving researchers a powerful tool that eventually could make possible ...
Asian carp raises fear and loathing on Great Lakes
17 hours ago |
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(AP) -- After nearly four decades as a fishing guide on the Great Lakes, Pat Chrysler has seen enough damage from invasive species to fear what giant, ravenous Asian carp could do to the nation's largest bodies of freshwater.
Amount of gene surplus determines severity of mental retardation in males
19 hours ago |
5 / 5 (1) |
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Researchers have discovered a new explanation for differences in the severity of mental illness in males. The more excess copies of a certain gene, the more serious the handicap. The genetic defect is situated on the X-chromosome; ...
Drug kills cells through novel mechanism
19 hours ago |
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MIT and Boston University researchers have discovered that the drug hydroxyurea kills bacteria by inducing them to produce molecules toxic to themselves — a conclusion that raises the possibility of finding ...
Researchers show 'trigger' to stem cell differentiation
19 hours ago |
5 / 5 (1) |
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A gene which is essential for stem cells' capabilities to become any cell type has been identified by researchers at the Hebrew University of Jerusalem and the University of California, San Francisco.
DNA study sheds new light on horse evolution
Dec 10, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- Ancient DNA retrieved from extinct horse species from around the world has challenged one of the textbook examples of evolution - the fossil record of the horse family Equidae over the past ...
New giant virus discovered
Dec 09, 2009 |
4.3 / 5 (16) |
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Scientists in France have isolated a new giant virus that lurks inside amoeba and whose gene pool includes genetic material from other species.
Bacteria offer insights into human decision making
Dec 08, 2009 |
4.6 / 5 (16) |
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(PhysOrg.com) -- Scientists studying how bacteria under stress collectively weigh and initiate different survival strategies say they have gained new insights into how humans make strategic decisions that ...
Tropical birds waited for land crossing between North and South America: study
Dec 09, 2009 |
3.8 / 5 (4) |
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Despite their ability to fly, tropical birds waited until the formation of the land bridge between North and South America to move northward, according to a University of British Columbia study published this ...
Nerve-cell transplants help brain-damaged rats fully recover lost ability to learn
Medicine & Health / Neuroscience
Dec 09, 2009 |
5 / 5 (4) |
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Nerve cells transplanted into brain-damaged rats helped them to fully recover their ability to learn and remember, probably by promoting nurturing, protective growth factors, according to a new study.
Researchers Identify the Most Promiscuous Birds in the World
Dec 09, 2009 |
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(PhysOrg.com) -- UConn ornithologist Chris Elphick and his colleagues carried out DNA tests to discover the paternity of Saltmarsh Sparrow nestlings.
Sparkly Spiders and Photonic Fish
Dec 09, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Scientists in Israel and the UK have uncovered the details of how certain fish and spiders create their iridescent scales and silvery skins.
A new target for lymphoma therapy
Dec 09, 2009 |
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Researchers at the Program in Cellular and Molecular Medicine and the Immune Disease Institute at Children's Hospital Boston (PCMM/IDI) have found a link between a common mutation that can lead to cancer and ...
Female birds -- acting just like the guys -- become sexual show-offs in cooperative breeding species
Dec 09, 2009 |
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(PhysOrg.com) -- Female birds in species that breed in groups can find themselves under pressure to sexually show off and evolve the same kinds of embellishments - like fanciful tail feathers or chest-puffing ...
