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Emergency kits can take many forms: simple first-aid, survival, seasonal needs for your car, or even a full-blown doomsday kit for when times get really bad. Whatever kind of emergency kit you've made, we'd like to see it. Read more...

Go bags come in all shapes and forms—well, quite a few, at least—and vary based on use and profession. Reader Fred Wobbler uses his to fix audio problems. Read more...

Dec. 23, 2013 — You might think that beatboxing, with its harsh, high-energy percussive sounds, would be harder on the voice than the sweet song of a soprano. But according to new research by voice expert Dr. H. Steven Sims of the University of Illinois Hospital & Health Sciences System...

While you can get great PDF editors for your Mac or Windows PC, sometimes you just want to combine and convert documents quickly. Or you don't have access to your favorite software. In those cases, toPDF can do the trick. Just visit the site, chose the files you want to make into a PDF, and...

Looking for an awesome camera at a crazy price? Here's the Sony RX100 for $408- which is a whole lot of camera for that price point. It's main competition would be its successor, the RX100 II, but that's currently going for $700. [eBay] Read more...

You can't take everything you want on a trip, but you can usually bring everything you need. All it takes is a little forethought and some good technique. Here's what you need to know to pack an efficient bag. Read more...

Everyone wants to learn to code these days. It seems to be a skill we're now considering indispensable. But what favors do you do yourself by learning a programming language, really? Sean Blanda, writing for productivity and ideas blog the 99u, suggests learning a simple skill won't help you...

Windows/OS X: Ever had to reinstall a program, but couldn't find your product key? If you have it installed on one of your PCs (or even an old hard drive), Magical Jelly Bean KeyFinder can uncover the product key for you. Read more...

iOS: Pad & Quill is usually known for their classy iPad and iPhone cases, but now they've also got a notes app. While it's a pretty simple notes app, it does what it does well and has a nice selection of organization options. Read more...

Internships are a great way to get exposure to companies and industries in which you'd like to work. Typically, they are short term positions, but what if you're working at a company you really love? If you've got advice about turning an internship into a full-time job, come help out a fellow...

There are all kinds of ways to make your own home security system, but if you're looking for something simple and cheap, Macworld shows off how to use your Mac's camera as a DIY security camera using nothing but an Automator workflow. Read more...

Dear Lifehacker, I know I should have health insurance and renter's insurance, but I got a letter in the mail that said I should probably have flood insurance too. My coworker is always going on about "whole life" insurance, but I have life insurance through work. What types of insurance should...

Behind on your holiday shopping? No worries. Amazon's got free overnight shipping on thousands of products through tomorrow. Here's the best of what can still get to you—for free—in time for Christmas morning. Read more...

Dec. 23, 2013 — Zaballa (Iruña de Oca) was a medieval settlement abandoned in the 15th century. The building of a manor monastery at the heart of it undermined the organisation of the village in the 10th century with the creation of a highly significant rent-seeking system; it was later turned...

Dec. 23, 2013 — New research out of the George Washington University Cancer Institute (GWCI) defines the roles and responsibilities of patient navigators. With the rapid growth of patient navigation, the paper seeks to develop a framework to describe similarities and differences across...

Dec. 23, 2013 — Soliton water waves can travel several kilometers without any significant change in their shape or amplitude, as opposed to normal waves, which widen as they travel, and eventually disappear. Discovered over 150 years ago in water canals, solitons represent a surprising...

Dec. 23, 2013 — Even physics can give pointers for energy saving. An international team working together with the Centre for Quantum Materials, run by the Max Planck Society in conjunction with the University of British Columbia (Canada), is now in a position to provide materials scientists with...

Dec. 23, 2013 — People who tell themselves to get excited rather than trying to relax can improve their performance during anxiety-inducing activities such as public speaking and math tests, according to a study published by the American Psychological Association. "Anxiety is incredibly...

Dec. 23, 2013 — Humans with a high motor excitability have a better working memory than humans with a low excitability. This was shown in a study conducted by scientists from the Transfacultary Research Platform at the University of Basel. By measuring the motor excitability, conclusions can be...

Dec. 20, 2013 — A new study conducted by Drexel University environmental sociologist Robert J. Brulle, PhD, exposes the organizational underpinnings and funding behind the powerful climate change countermovement. This study marks the first peer-reviewed, comprehensive analysis ever conducted of...