While it is well understood that the evolution of new genes leads to adaptations that help species survive, gene loss may also afford a selective advantage. A group of scientists at the University of California, Santa Cruz led by biomolecular engineering professor David Haussler has investigated this less-studied idea, carrying out the first systematic computational analysis to identify long-established genes that have been lost across millions of years of evolution leading to the human species.

The actual paper is here
Cholesterol Fine Tunes Hearing:

Levels of cholesterol in the membranes of hair cells in the inner ear can affect your hearing, said a consortium of researchers from Baylor College of Medicine, Rice University and Purdue University in a new report in the Journal of Biological Chemistry.

Anti-drinking Campaign Ads May Be ‘Catastrophically Misconceived’:

Some anti-drinking advertising campaigns may be “catastrophically misconceived” because they play on the entertaining ‘drinking stories’ that young people use to mark their social identity, say researchers who have just completed a three year study of the subject.

Intensive Care Quality Of Sleep Improved By New Drug, Reports Study:

A new sedative drug has been shown to improve the sleep quality and comfort levels of intensive care patients, compared to the most commonly-used medication, according to research published in the journal JAMA.