News tagged with biological age
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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Listen up, parents: For toddlers (and chimps), the majority rules
A study published online on April 12 in the journal Current Biology offers some news for parents: even toddlers have a tendency to follow the crowd. That sensitivity isn't unique to humans either; chimpanzees also a ...
Apr 12, 2012 |
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The Viking journey of mice and men
House mice (Mus musculus) happily live wherever there are humans. When populations of humans migrate the mice often travel with them. New research published in BioMed Central's open access journal BMC Evolutionary Biology h ...
Mar 19, 2012 |
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New family of legless amphibians found in India
Since before the age of dinosaurs it has burrowed unbothered beneath the monsoon-soaked soils of remote northeast India - unknown to science and mistaken by villagers as a deadly, miniature snake.
Feb 22, 2012 |
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New Zealand team finds early plant arrivers dominated landscape
(PhysOrg.com) -- It seems intuitive that not all plant species could have taken a foothold on land at the same time all those millions of years ago as conditions on Earth evolved to the point where they could survive; some ...
Feb 09, 2012 |
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Discovery of extremely long-lived proteins may provide insight into cell aging
One of the big mysteries in biology is why cells age. Now scientists at the Salk Institute for Biological Studies report that they have discovered a weakness in a component of brain cells that may explain ...
Feb 03, 2012 |
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Permafrost bacteria may slow down ageing: scientists
A hardy type of bacteria recently discovered in the permafrost of Siberia could help slow down the ageing process, Russian scientists claimed on Tuesday.
Jan 17, 2012 |
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Recycling fat might help worms live longer
Aging is generally accepted as a universal fact of life, but how do humans and other organisms age at the molecular level? At Sanford-Burnham Medical Research Institute (Sanford-Burnham), a team led by Malene ...
Sep 06, 2011 |
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Study finds link between chronic depression and accelerated immune cell aging
(PhysOrg.com) -- Certain cases of major depression are associated with premature aging of immune cells, which may make people more susceptible to other serious illness, according to findings from a new UCSF-led study.
Medicine & Health / Medical research
Apr 05, 2011 |
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Scientists find a key to maintaining our DNA
DNA contains all of the genetic instructions that make us who we are, and maintaining the integrity of our DNA over the course of a lifetime is a critical, yet complex part of the aging process. In an important, albeit early ...
Mar 18, 2011 |
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Age estimation from blood has immediate forensic application
In principle, the new profiling method could be put to immediate practical use by law enforcement, according to the researchers who report their findings in the November 23rd issue of Current Biology, a Cell Press public ...
Nov 22, 2010 |
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Ticking of cellular clock promotes seismic changes in the chromatin landscape associated with aging
Like cats, human cells have a finite number of lives-once they divide a certain number of times (thankfully, more than nine) they change shape, slow their pace, and eventually stop dividing, a phenomenon called ...
Oct 03, 2010 |
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Why the biological clock? Study says aging reduces centromere cohesion, disrupts reproduction
University of Pennsylvania biologists studying human reproduction have identified what is likely the major contributing factor to the maternal age-associated increase in aneuploidy, the term for an abnormal ...
Sep 08, 2010 |
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Preserving memory with age
If you lived longer, would you still remember everything? It depends. Two methods of extending life span have very different effects on memory performance and decline with age, researchers at Princeton University have shown ...
Medicine & Health / Medical research
May 18, 2010 |
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How do organisms make dietary choices?
When given a choice, organisms will choose a diet that maintains a nutritional balance in tune with their needs. That choice, studied in fruit flies for the first time, is regulated by activity in a molecular pathway involved ...
May 13, 2010 |
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