Immunology

A worm's-eye view of immunity

In 1998, scientists published the first complete genome of a multicellular organism—the worm Caenorhabditis elegans. At the same time, new technologies were emerging to help researchers manipulate genes and learn more about ...

Diseases, Conditions, Syndromes

'Defective' virus surprisingly plays major role in spread of disease

(Medical Xpress)—Defective viruses, thought for decades to be essentially garbage unrelated to the transmission of normal viruses, now appear able to play an important role in the spread of disease, new research by UCLA ...

Genetics

Following the footprints of positive selection

For decades, the human genome could only tell us what we already suspected about the evolution of certain traits. Researchers were able to trace the genetic origin stories of lactose tolerance (as opposed to lactose intolerance), ...

Psychology & Psychiatry

Strong genetic selection against some psych disorders

(HealthDay)—Different evolutionary mechanisms likely support the persistence of various psychiatric disorders, according to a study published in the January issue of JAMA Psychiatry.

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