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How To: Detect the symptoms of postpartum depression

It's not unusual to feel a little down after giving birth. You've been through a major life event, and your mind and body are recovering. Postpartum depression is more serious than the typical “baby blues” that can occur after childbirth. Learn how to identify this condition so you can treat it and spend more time enjoying your baby.

How To: Teach a dog to roll over and play dead

This video pet training tutorial shows how to teach a dog how to roll over and play dead. This method relies on lure training, which means the dog will be rewarded with a treat when the dog has performed the trick. It takes time, patience, and consistency, but over time any dog can pick up these tricks. Learn how to teach a dog to roll over and play dead by watching this instructional video.

How To: Demonstrate Newton's law of inertia

This short video clip shows seven demonstrations of Isaac Newton’s first law of motion– the law of inertia. Newton’s law of inertia states that objects moving at constant velocity will continue moving at constant velocity, unless acted upon by an outside unbalanced force. Six of these demonstrations (excluding number six) are from Tik Liem’s book Invitations to Science Inquiry.

How To: Use positive reinforcement to train a dog

Positive reinforcement can be used to teach fun tricks as well as obedience. Watch how Sammi was taught how to fetch a tissue when someone sneezes using all positive reinforcement dog training techniques. Learn how to train a dog by effectively rewarding the dog by watching this instructional video.

How To: Permanently Disable the 'Software Update' Notification on Your Samsung Galaxy — No Root Needed

Updating your Galaxy to the latest software version is optional, but you wouldn't know that from the persistent notification and status bar icon that are constantly reminding you to. Thankfully, you're just an app away from hiding these eyesores without the need to update your phone.

How To: Completely Change the Status Bar on Any Android Without Rooting

Despite Android's flexibility in regards to customization, the options available in stock Android are pretty barebones. It is only with the help of third-party apps that we can entirely transform sections of the UI to our liking. And thanks to a new app, we can modify another part of the OS, the status bar.

How To: Make Tight Loops When Fly Casting

When casting a flyrod, in most cases, tight loops will allow the fly to travel farther, more accurately, and with less effort. To cast these tight loops, the tip of the rod must travel in a straight line path, slack must be eliminated, and there must be a constant acceleration to a sudden stop. The most common mistake is using the wrist to move the rod which causes the tip to travel in a half circle or windshield wiper type motion.

iOS 9.3 Now Available: Locked Notes, Night Shift, & More

At Apple's highly anticipated special event held today at their headquarters in Cupertino, California, it was announced that their latest software update, iOS 9.3, would be available to the public complete with several new additions. The most notable element of this announcement was two-fold, in the form of new modifications to the Night Shift mode and the Notes app. With regards to Night Shift, the feature is designed to prevent your iPhone from giving you restless nights by adjusting settin...

CES 2015: Solar-Powered WakaWaka Is a Light & Charger That Helps You Be More Socially Conscious

With over 1.5 billion people on this planet without electricity, it's hard for those of us in developed nations to even fathom how anyone can read, write, repair, or do anything else that we take for granted without any lights. While some of our First World problems pale in comparison, they remain issues nonetheless, one of the biggest being constant battery drain from portable electronics.

How To: Make Your Favorite Song Last Forever with Infinite Jukebox

The first album I ever bought with my own money was Nirvana's MTV Unplugged in New York. It featured mainly lesser-known songs and covers, but was on constant repeat on my Walkman. While the whole album was fantastic, there was one song that stood out the most to me—"The Man Who Sold The World." The song (originally written by David Bowie) kept me under a spell, which had me replaying the song over and over and over and over. As I got older, I found myself sharing this relationship with a han...

How To: This DIY Illuminated Isomorphic Keyboard Changes Colors as You Play Music

An isomorphic (or self-transposing) keyboard is "a musical device where a grid of notes is displayed to the user and the interval change between notes in constant for any given direction." For those of you who didn't grow up playing the piano like I did, that basically means that it lets you move between keys easily without having to learn new patterns because the keys are laid out so that a chord is the same pattern in every musical key.

How To: Learn to Code Your Own Games with This Hands-on Bundle

We've shared a capture-the-flag game for grabbing handshakes and cracking passwords for Wi-Fi, and there are some upcoming CTF games we plan on sharing for other Wi-Fi hacks and even a dead-drop game. While security-minded activities and war games are excellent ways to improve your hacking skills, coding a real video game is also an excellent exercise for improving your programming abilities.

News: Sally Beauty's YouCam-Powered AR Try-on Kiosks Land in 500 US Stores

Another major retailer is putting all its chips in on the relentless rise of selfie culture. Sally Beauty is rolling out kiosks to try-on "some of its best" hair dyes in 500 of its stores throughout the US. The in-store augmented reality-powered kiosks invite you to view yourself on video, overlay a punky (or otherwise) hair color, and snap a selfie on the screen to share your #glowup with friends.