Barnett Alfant

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What it took for Elon Musk’s SpaceX to disrupt Boeing, leapfrog NASA, and become a serious space company

<i>This story has been corrected.</i><p>The Space Exploration Technology rocket factory is a large, white hangar-like building near Los Angeles international airport, with a parking lot filled with late-model motorcycles and Tesla electric cars. The vast metal structure once churned out 747 fuselages for …

Space Travel

Ebola Is Coming. A Travel Ban Won't Stop Outbreaks

Ebola has officially gone global.<p>The World Health Organization recently confirmed that a Spanish nurse was the first case of transmission outside Africa. Now it seems the first patient diagnosed in the United States transmitted the disease before he died.<p>More outbreaks are on their way.<p>While …

Why a War of Attrition Favors Us, Not ISIS

The warning is delivered with an ominous tone: “You are no longer fighting an insurgency. We are an Islamic army, and a state…”<p>With these words, the …

Geopolitics

Can the Bacteria in Your Gut Send Messages to Your Brain?

Early Antibiotics Change Gut Microbes, Fuel Obesity

<b>What’s the short version?</b><p>There are tens of trillions of microbes in our guts, which are important for our digestion and our health. The antibiotics that we take to kill off disease-causing bacteria also indiscriminately nuke these beneficial bugs. Now, a new set of experiments in mice have shown …

An improved dual-indexing approach for multiplexed 16S rRNA gene sequencing on the Illumina MiSeq platform

V3-V4 amplification and sequencing strategy<p>The 16S rRNA gene consists of nine hypervariable regions flanked by regions of more conserved sequence. To …

Mix Of Gut Microbes May Play Role In Crohn's Disease

The particular assortment of microbes in the digestive system may be an important factor in the inflammatory bowel condition known as Crohn's disease.<p>Research involving more than 1,500 patients found that people with Crohn's disease had less diverse populations of gut microbes.<p>"[This] basically for …