Prasad Velidi

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Lifehacker Faceoff: The Best Password Managers, Compared

You have a ton of options for password managers, but when it comes to your security, you want the best possible tool for the job. Let’s take a look …

Psychology: the man who studies everyday evil

Why are some people extraordinarily selfish, manipulative, and unkind? David Robson asks the scientist delving into the darkest sides of the human mind.<p>If you had the opportunity to feed harmless bugs into a coffee grinder, would you enjoy the experience? Even if the bugs had names, and you could …

Canon 5Ds Leaked! It’s a 50.6MP Full Frame DSLR

It looks like the rumors were spot on. A sneak peek of the not-yet-announced Canon 5Ds full frame DSLR camera has leaked onto the Web. The photograph …

What Guys REALLY Think About Hand Jobs

Get ready to rethink your foreplay game.<p>Guys mastered the art of the hand job back before they ever had their first girlfriend. So as it turns out, they critique women's attempts pretty, well, hard. We asked nine guys what they really think of hand jobs—and what they had to say was surprising, …

Where Itching Comes From

The science behind what makes people scratch<p>Semanza lived in the Rukungiri region of rural Uganda. He suffered such unbearable itching that continuous scratching with his fingernails did not afford him even temporary relief. His solution was to break a clay pot and use the rough edge of one of its …

Mental Disorders

Best. Sex. EVER. 27 Women Share the Details of the Hottest Sex They've Ever Had

Try their tips tonight!

Unreal Engine 4 Paris virtual tour: indistinguishable from reality

A virtual Parisian apartment has been rendered in video form for your enjoyment this week. Not by an architecture firm, nor a home furnishings group, …

5 Exercises You Should Be Doing Way More Of

Get the max from your gym time—without adding more reps or more minutes<p>You're all about multitasking when it comes to your job, your to-do list, and even your free time (seriously, who <i>just</i> watches TV these days?). So why shouldn't your workout—and your body—benefit from the same smart shortcuts? …

Clinton Staley's answer to Which is more beneficial to learn as a first programming language, Java or C++? Why?

I'm a CS professor at a teaching university. I'm probably our department expert in C++, and I teach the most intensive programming course in our …

What It Means If Your Partner Masturbates a Lot

And just how often is "a lot"?<p>No two libidos can be synced up 100 percent of the time. But apparently, when horny, some guys don’t wait until you're in the shower…or in a different room.<p>Some will beat their meat while you’re lying right next to them—asleep or not.<p>“Sleeping Beat-y,” who recently …

19 Signs You Need to Get Laid, Like, Yesterday

How many of these hilarious and not-so-subtle giveaways can you check off?<p>Dry spells are never fun, but hey, they happen! And sometimes for good reason—like maybe you just got out of a long-term relationship and need some time to heal on your own. In other circumstances, you <i>know</i> when you need to …

Hacking the Tripping Mind: A Fantastic Voyage Through Inner Space

Pay attention. What if you could focus and control your consciousness when under the influence of psychedelics? Cognitive roller-coasters may be upon …

Modern Life Is Harming Your Brain

The cognitive drain of switching tasks—"multitasking"—is more harmful to your brain than smoking marijuana, which studies have shown impedes …

This Is How You Get A Busy Person To Respond To Your Email (Or, 5 Rules For Good Email Etiquette)

By Mattan Griffel,<p>Comment<br>• FlagFlagged<br>• http://tcat.tc/1AUEnjW<p>Some days I get hundreds of emails a day. It really sucks.<p>The worst part is that most of …

44 Foods That Can Turbo-Charge Your Weight Loss

In The Bulletproof Diet, David Asprey outlines the clean-eating foods you need to calm inflammation—and cravings.<p>Dave Asprey, author of the forthcoming <i>Bulletproof Diet</i>, believes that some foods contain "antinutrients"—toxin-like chemicals that he says can trigger inflammation and make you a slave …

15 Tiny Tweaks That’ll Help You Lose More Weight in 2015

You'll barely even notice the difference—but your waistline will.

Why can’t the world’s greatest minds solve the mystery of consciousness?

One spring morning in Tucson, Arizona, in 1994, an unknown philosopher named David Chalmers got up to give a talk on consciousness, by which he meant the feeling of being inside your head, looking out – or, to use the kind of language that might give a neuroscientist an aneurysm, of having a soul. …

Consciousness

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Set up a Sane Ruby Cookbook Authoring Environment for Chef on Mac OS X, Linux and Windows

• Mac OS X• Install the Xcode Command Line Tools - Mac OS X<br>• Install the Homebrew Package Manager - Mac OS X<br>• Install Apple GCC 4.2 - Mac OS X<br>• Install Chruby …

Understanding what Vitamin D tests mean for your bone health

New research is revealing connections between vitamin D deficiency and a myriad of health concerns, including cancer, depression, osteoporosis, …

Wellness

Lack of Exercise Is a Bigger Risk Factor Than Obesity in Premature Death

Colin Anderson—Blend Images/Corbis<p>Getty Images<p>Matt Hogan/www.mphoganphoto.com<p>Jim Wilson—The New York Times/Redux<p>Getty Images<p>Celin Serbo—Aurora …

Sigma 150-600mm F5-6.3 DG OS HSM S Field Test

<i>EDITOR’S NOTE: This is a special guest post by Robert O’Toole</i><p>A new Sigma 150-600 S Nikon mount lens arrived on my doorstep in early December from …

20 Unix/Linux Command Line Tricks - Part I

Unix and Linux command line tricks for the cli user. Enjoy!

Command-line

Video: The Technologies Inside Canon’s EF Lenses

If you’d like a primer on the technologies found inside Canon’s EF line of lenses, look no further than this 12-minute introduction created by Canon. …

HowTo: Linux / UNIX List Just Directories Or Directory Names - nixCraft

How do I list just directory names on a Linux and UNIX-like operating systems? <br>Linux or UNIX-like system use the ls command to list files and …

Which programming language is the most popular in your state?

Python is huge in Idaho, and Michigan loves PHP.<p>That's the upshot of a map of the most-tweeted programming languages across the 50 states as measured …

5 Ways Big Data Will Change Sales and Marketing in 2015

The ever-increasing quantity of data generates enormous challenges, but also generates significant business opportunities for sales and marketing professionals of small and midsize companies.<p>The era of "Big Data" is clearly upon us as sales and marketing professionals. For those of you who've been …

"Super cookies" track you, even in privacy mode

Ironically, a trusty online privacy feature can now be reworked into a "super cookie" that tracks you like a bloodhound.<p>Any respectable Web browser has a "privacy mode," a clean slate without the tiny bits of information (cookies) that identify you to websites. Google Chrome has "incognito." …

Privacy