It was generally assumed that the iris was a “stable” biometric over a person’s lifetime but new research from the University of Notre Dame shows the iris is susceptible to an aging process that causes recognition performance to degrade slowly over time. Iris recognition is already used in various airports and border crossings and the […]
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Scientists mull advantage of tasting words and hearing colors
Carried by a surprisingly large 4 percent of the population, scientists David Brang and VS Ramachandran have been pondering why the synesthesia gene is preserved in the human race and what evolutionary advantage it might provide. In a discussion paper, published inPLoS Biology, the researchers suggest that the gene may deliver an advantage through enhanced […]