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Job Seekers, Beware: Stress From Job Interviews Can Mutate Genes

Job Seekers, Beware: Stress From Job Interviews Can Mutate Genes | Mind Candy  { interdimensionally } Cubed... It's SO yesterday to be a Square | Scoop.it
A study published in Translational Psychiatry has found that stress literally changes your genes.

Via Sakis Koukouvis
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Geneticists evolve fruit flies with the ability to count - it took 40 generations of selective breeding

Geneticists evolve fruit flies with the ability to count - it took 40 generations of selective breeding | Mind Candy  { interdimensionally } Cubed... It's SO yesterday to be a Square | Scoop.it

The research team, made up of geneticists from Wilfrid Laurier University in Canada and the University of California, repeatedly subjected test flies to a 20-minute mathematics training session. The flies were exposed to two, three or four flashes of light, with two or four flashes coinciding with a shake of the container the flies were kept in. Following a pause, the flies were again subjected to the flashing light, however none prepared themselves for a repeat of the shake since they could not discern a difference between two, three or four flashes. That is, until the key 40th generation of descendants were put to the test.

 

The findings back-up the theory that numerical skills such as mental arithmetic are ancient constructs. Some of the more unusual natural fans of numeracy include salamanders, newborn chicks and mongoose lemurs, all of which have demonstrated basic skills in the lab. The humble fruit fly -- which has been a popular experimental tool for geneticists since the early 1900s, its brief life span making it evolve faster -- is the first example of a test subject gaining the skills through evolution, however.


Via Dr. Stefan Gruenwald
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