Stefano Leitner

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Scientists Move Closer to Inventing Artificial Life

Synthetic biology advances with a man-made chromosome inserted into live brewer's yeast.<p>In a biological first, an international team has inserted a man-made chromosome into brewer's yeast, producing a life form that thrives and successfully passes the designer genes on to its offspring.<p>The …

Lawyers Say FBI Wanted Marathon Suspect as Informant

Lawyers for Dzhokhar Tsarnaev, accused of planting one of the bombs at last year's Boston Marathon, said Friday that repeated contacts by the FBI were among "precipitating events" leading up to the bombings.<p>In court documents filed Friday, defense lawyers asked the judge overseeing the case for an …

Boston Marathon Bombing

States that have struggled with healthcare sites consider lawsuits

Enrollments in the nation's healthcare program have nearly concluded, but for states whose insurance exchanges have been crippled by technical problems, a difficult phase is just beginning: potential legal battles and a race to overhaul their systems before federal grant money dries up.<p>Officials in …

Reforming the NSA: the rival plans to curb government surveillance | US news | theguardian.com

5 Bar Tricks You Can Do With Science

Courtesy of Tim Shaw, whose television show launches tonight<p>As Kurt Vonnegut wrote in his classic <i>Cat's Cradle</i>, "science is magic that works." The same can be applied to these seemingly magical bar tricks, which are not really tricks but based in simple physics and science. They were shown to me by …

Dr. Wikipedia: The 'Double-Edged Sword' Of Crowdsourced Medicine

Wikipedia has become a go-to source for definitions, celebrity facts, and now, medical information. A study by the IMS Health Institute published in January names Wikipedia as the "single leading source" of health care information for both patients and health care professionals.<p>Unfortunately, some …

Why Confounding Coincidences Happen Every Day

David Hand, an emeritus professor of mathematics at Imperial College in London, believes that miracles and rare events actually aren't so uncommon. Hand speaks with NPR's Rachel Martin about his new book, <i>The Improbability Principle</i>.<p>Transcript<p>RACHEL MARTIN, HOST:<p>Coincidences confound us. Miracles …

From tides to the colour of spinach: your science questions answered

Why some places have only one high tide a day and what makes cooked spinach lose its green colour. Plus the particular frustration of cycling into a headwind and the parsimonious nature of phosphorescence<p><b>Q Each evening on our local Meridian TV, high tide times are given for resorts on the</b> …

Western Scientists Look To Chinese Medicine For Fresh Leads

In the quest for new treatments, U.S. researchers are looking to traditional Chinese medicines, some of the oldest remedies in the world.<p>A recent discovery resulted in a better treatment for a type of leukemia that strikes about 1 in 250,000 people in the U.S. Another study found a potential new …