News tagged with biological activity

Detecting Our Martian Cousins

The iguanas of the Galapagos Islands have evolved many unique characteristics due to their isolation from mainland iguanas. Because they can't swim long distances, biologists believe that the first Galapagos iguanas arrived ...

dateFeb 15, 2010 in Space Exploration
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Uncorrelated activity in the brain

Interconnected networks of neurons process information and give rise to perception by communicating with one another via small electrical impulses known as action potentials. In the past, scientists believed that adjacent ...

dateJan 28, 2010 in Neuroscience
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Molecular Genealogy in the Arctic Sediment

(PhysOrg.com) -- Heat-loving bacteria found in the Arctic seabed have their origins in oil springs and the depths of the Earth's crust. This is the finding of a project supported by the Austrian Science Fund FWF, which used ...

dateJan 18, 2010 in Cell & Microbiology
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Tooling up ExoMars

(PhysOrg.com) -- ESA and NASA are inviting scientists from across the world to propose instruments for their joint Mars mission, the ExoMars Trace Gas Orbiter. Scheduled for launch in 2016, the spacecraft will focus on understanding ...

dateJan 18, 2010 in Space Exploration
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In early heart development, genes work in tandem

Studying genes that regulate early heart development in animals, scientists have solved a puzzle about one gene's role, finding that it acts in concert with a related gene. Their finding contributes to understanding how the ...

dateJan 12, 2010 in Genetics
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When roots lose contact

Plant roots can shrink as a result of water deficit and lose contact with the surrounding soil. This effect has been suspected for a long time, but has only now been demonstrated for a fact with the help of x-ray tomography. ...

dateNov 30, 2009 in Environment
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