Personality traits, psychiatric disorders linked to specific genomic locations

A meta-analysis of genome-wide association studies (GWAS) has identified six loci or regions of the human genome that are significantly linked to personality traits, report researchers. The findings also show correlations with psychiatric disorders.

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Hidden images created with commercial inkjet printers

Researchers have developed a way to use commercial inkjet printers and readily available ink to print hidden images that are only visible when illuminated with appropriately polarized waves in the terahertz region of the electromagnetic spectrum. The inexpensive method could be used as a type of invisible ink to hide information in otherwise normal-looking images.

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Amateur astronomer helps uncover secrets of unique pulsar binary system

A professional astrophysicist and an amateur astronomer have teamed up to reveal surprising details about an unusual millisecond pulsar (MSP) binary system comprising one of the fastest-spinning pulsars in our Galaxy and its unique companion star.

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Against the tide: A fish adapts quickly to lethal levels of pollution

Evolution is working hard to rescue some urban fish from a lethal, human-altered environment, according to a study. Atlantic killifish living in four polluted East Coast estuaries have adapted to levels of highly toxic industrial pollutants that would normally kill them.

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Better diabetes treatment? Artificial beta cells from human kidney cells

Researchers have used the simplest approach yet to produce artificial beta cells from human kidney cells. Like their natural model, the artificial cells act as both sugar sensors and insulin producers.

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