Venkatesh

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New Books Party: books received this week

Four books arrived this week that may interest you and your friends.<p>Below the jump, I mention the books that I received recently, either as gifts or as review copies, or that I purchased somewhere. These are the books that I may review in more depth later, either here or in print somewhere in the …

10 grammar rules you can forget: how to stop worrying and write proper

Ray Green<p>Mick Jagger: can't get no satisfaction. Photograph: Ray Green<p>276<p>image/jpeg<p>http://static.guim.co.uk/sys-images/Guardian/Pix/pictures/2013/9/30/1380555309268/Mick-Jagger-010.jpg<p>460<p>Snap/Rex Features<p>Who or whom? The Ghostbusters know which call to make Photograph: Snap/Rex Features<p>276<p>image/jpeg<p>…

See the very first images of a hydrogen bond

Chemists have long known what a hydrogen bond should look like, but until last week, most hadn't actually seen an image of one. Now, researchers from the Chinese Academy of Sciences have been able to visualize a hydrogen bond using atomic force microscopy, a technique that can deliver higher …

4 Parasites That Want To Invade Your Brain

They just want a nice home! And to destroy you.<p>In the past month, two different 12-year-olds have made headlines after being hospitalized with an extremely rare, horrifying infection: the brain-eating amoeba.<p>Found mostly in warm freshwater lakes, rivers and hotsprings, <i>Naegleria fowleri</i> can travel …

How It Works: A 3-D Printer For Liver Tissue

The first commercial 3-D bioprinter, Organovo's NovoGen MMX Bioprinter, is manufacturing functional liver tissues that will soon help biochemists test new drugs. Here’s a look at the printing process.<p><b>Step 1</b>: Engineers load one syringe with a bio-ink (A) made up of spheroids that each contain tens …

Take a snapshot of the entire internet in just 44 minutes with ZMap scanner

Surveying every IP address on the internet isn’t an easy task, and if you don’t have the luxury of a botnet, a single scan can take months. Luckily, some researchers at the University of Michigan have created an open source alternative called ZMap that can cut the total time to under 45 minutes on …

Sun's Magnetic Field to Reverse: What It Means

The flip could come in the next three to four months, scientists say.<p><b>The sun's magnetic field, which spans the solar system, is just months away from flipping, observatory measurements show.</b><p>"This change will have ripple effects throughout the solar system," solar physicist Todd Hoeksema of Stanford …