News tagged with human organ
Trapped dental 'calculus' holds clues to ancient human diets and health
Many ancient human teeth, including specimens tens of thousands of years old, still hold onto tiny pieces of food -- and even bacteria. Anthropologists are studying the tartar attached to ancient human teeth ...
Other Sciences / Archaeology & Fossils
19 hours ago |
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The environment and pharmaceuticals and personal care products: What are the big questions?
Researchers at the University of York headed a major international review aimed at enhancing efforts to better understand the impacts of chemicals used in pharmaceuticals or in personal care products, such as cosmetics, soaps, ...
May 30, 2012 |
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Office bacteria all around us, especially in men's offices
Men's offices have significantly more bacteria than women's, and the office bacterial communities of New York and San Francisco are indistinguishable, according to a study published May 30 in the open access journal PLoS ON ...
May 30, 2012 |
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Researchers solve structure of human protein critical for silencing genes
In a study published in the journal Cell on May 24, Cold Spring Harbor Laboratory (CSHL) scientists describe the three-dimensional atomic structure of a human protein bound to a piece of RNA that "guides" the pr ...
May 25, 2012 |
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Mouse genetic blueprint developed
Researchers have developed a valuable mouse genetic blueprint that will accelerate future research and understanding of human genetics. The international team, led by researchers at the Wellcome Trust Sanger ...
Sep 14, 2011 |
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The Secret of Life May Be As Simple As What Happens Between the Sheets -- Mica Sheets
(PhysOrg.com) -- That age-old question, "where did life on Earth start?" now has a new answer. If the life between the mica sheets hypothesis is correct, life would have originated between sheets of mica that ...
Aug 06, 2010 |
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Shedding light on debate over organic vs. conventional agriculture: Study calls for combining best of both approaches
(Phys.org) -- Can organic agriculture feed the world?
Apr 25, 2012 |
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Self or non-self: Social amoeba rely on genetic 'lock and key' to identify kin
The ability to identify self and non-self enables cells in more sophisticated animals to ward off invading infections, but it is critical to even simpler organisms such as the social amoebae Dictyostelium discoideum.
Jun 23, 2011 |
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Scientists call for fundamental governance overhaul to ensure Earth's sustainability
Some 32 social scientists and researchers from around the world, including a Senior Sustainability Scholar at Arizona State University, have concluded that fundamental reforms of global environmental governance are needed ...
Mar 15, 2012 |
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Honeycomb structure responsible for bacteria's extraordinary sense
(PhysOrg.com) -- Cornell researchers have peered into the complex molecular network of receptors that give one-celled organisms like bacteria the ability to sense their environment and respond to chemical ...
Feb 20, 2012 |
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Bringing Mars back to Earth
The search for life should be an essential component of a sample return mission from Mars, according to a recent report examining the science behind such a venture.
Space & Earth / Space Exploration
Apr 20, 2012 |
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Scientists show how social interaction and teamwork lead to human intelligence
Scientists have discovered proof that the evolution of intelligence and larger brain sizes can be driven by cooperation and teamwork, shedding new light on the origins of what it means to be human. The study appears online ...
Apr 19, 2012 |
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Compounds shared by all worms may lead to parasite treatment
(Phys.org) -- Worms are important decomposers in soil and are great for fishing, but in humans, the slimy wrigglers spell trouble. Hookworms, whipworms, Ascaris, Guinea worms and trichina worms are just a ...
Apr 17, 2012 |
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Carbon nanotubes form ultrasensitive biosensor to detect proteins
A cluster of carbon nanotubes coated with a thin layer of protein-recognizing polymer form a biosensor capable of using electrochemical signals to detect minute amounts of proteins, which could provide a crucial new diagnostic ...
Nanotechnology / Bio & Medicine
Jun 27, 2010 |
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Researchers discover method to unravel malaria's genetic secrets
The parasite that causes malaria is a genetic outlier, which has prevented scientists from discovering the functions of most of its genes. Researchers at National Jewish Health and Yale University School of Medicine have ...
Jan 25, 2012 |
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