Shadi

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The Evolutionary Mystery of Left-Handedness and What It Reveals About How the Brain Works

<i>“Sahara is too little price / to pay for thy Right hand,”</i> Emily Dickinson wrote in a poem. <i>“The right hand = the hand that is aggressive, the hand that masturbates,”</i> Susan Sontag pondered in her diary in 1964. <i>“Therefore, to prefer the left hand! … To romanticize it, to sentimentalize it!”</i> The human …

What's living with you?

An invisible world of microbes<p>On a recent morning, Noah Fierer, a professor of ecology and evolutionary biology at the University of Colorado, Boulder, found himself standing 1,000 feet above the farmland of eastern Colorado. He was perched near the pinnacle of the Boulder Atmospheric Observatory, …

NASA's breakup with Russia is a manipulative money grab

Why the agency is really leveraging the crisis in Ukraine<p>NASA ordered its officials to put an end to communications with Russian government officials and scientists yesterday. The order was leaked through an internal memo, obtained by <i>The Verge</i>, in which the US space agency explained that …

Is Hair In Food A Health Risk?

A dermatologist investigates<p>Finding a hair in your spaghetti is gross, no question. But it is not, for the most part, a health threat. It's so benign that the Food and Drug Administration in its Food Code guidelines doesn't even place a limit on strands per plate. The FDA has received no reports of …

Surgeons successfully implant 3-D printed skull

Several months ago, neurosurgeons in the Netherlands took off most of a young woman's skull and replaced it with a chunk of plastic.<p>Dr. Bon Verweij, a brain surgeon with the University Medical Centre in Utrecht, recently released a graphic video of the procedure. Verweij had done partial …