health
Ability To 'Tell The Difference' Declines As Infants Age

A new article published in the August issue of Current Directions in Psychological Science, a journal of the Association for Psychological Science, suggests that infants fine-tune their visual and auditory systems to stimuli during the first year of life, essentially "weeding out" unnecessary discriminatory abilities.
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  health
Influenza: Insights Into Cell Specificity Of Human Vs. Avian Viruses

influenza-insights-into-cell-specificity-of-human-vs-avian-virusesResearchers have identified which sites and cell types within the respiratory tract are targeted by human versus avian influenza viruses, providing valuable insights into the pathogenesis of these divergent diseases.

Differences in cellular expression of target molecules correspond to host specificity of influenza viruses. They also define which organs or tissues are infected within the host. For example, highly pathogenic H5N1 avian influenza virus targets cells deep within the lower respiratory tract whereas human influenza virus is thought to target cells of the upper respiratory    ... Read Full Article
 




 
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biology
HIV's path out of Africa: Haiti, the US then the world

hiv-s-path-out-of-africa-haiti-the-us-then-the-worldThe AIDS virus entered the United States via Haiti, probably arriving in just one person in about 1969, earlier than previously believed, according to new research.

After the virus, HIV-1, entered the U.S., it flourished and spread worldwide.

"Our results show that the strain of virus that spawned the U.S. AIDS epidemic probably arrived in or around 1969. That is earlier    Read Full Article


health
Single-incision belly-button surgery to remove kidney performed first at UT Southwestern

single-incision-belly-button-surgery-to-remove-kidney-performed-first-at-ut-southwesternSurgeons specializing in laparoscopic procedures at UT Southwestern Medical Center have successfully removed a patient’s kidney by performing a unique nephrectomy entirely through the belly button.

Dr. Jeffrey Cadeddu, associate professor of urology and radiology, performed the “single keyhole access” surgery, the first of its kind involving a kidney. The entire procedure was completed    Read Full Article


health
Organic farming can feed the world, U-M study shows

organic-farming-can-feed-the-world-u-m-study-showsOrganic farming can yield up to three times as much food as conventional farming on the same amount of land—according to new findings which refute the long-standing assumption that organic farming methods cannot produce enough food to feed the global population.

Researchers from the University of Michigan found that in developed countries, yields were almost equal on organic and conventional    Read Full Article



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