K.O.

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How to Let Go of the Need for Approval

<i>“Queen of social chameleons, I mastered the art of telling people what they wanted to hear and being someone they would find impressive—all the while</i> …

Self-help

The Ultimate Mustang: North American’s Advanced Lightweight P-51H

The genesis of the North American Aviation (NAA) P-51H <i>Mustang</i> can actually be traced back to a series of lightweight P-51-derived development …

Aviation

7 challenges smart people choose to overcome

It’s truly fascinating how smart, successful people approach problems. Where others see impenetrable barriers, they see challenges to embrace and …

Self-improvement

Best George Carlin Quotes of All Time

The career of comedian George Carlin (1937–2008) spanned five decades, with his first appearance on "The Tonight Show" being in 1962. He was an …

George Carlin

15 incredible photos taken by the Rosetta spacecraft

You can browse more than 100,000 images from space. Here are our favorite shots.<p><i>This story was originally published on PopPhoto.com.</i><p>The European Space Agency uploaded the final images from the Rosetta mission to comet 67P earlier this week and the results are quite dazzling. Rosetta was the first …

Space

Lightning Strikes – 11 Electrifying Facts About Lockheed’s Legendary P-38

Lockheed’s iconic P-38 Lightning could reach speeds of more than 400 mph and could fly distances of up to 1,700 miles (or more with drop tanks). Its …

Aviation

Incorrect Lift Theory

There are many theories of how lift is generated. Unfortunately, many of the theories found in encyclopedias, on web sites, and even in some …

Physics

10 Dalai Lama Quotes to Make You Happier, Stronger and More Successful

Some words of wisdom from one of today's most influential spiritual figures.<p>From happiness to personal growth and empowerment, Tenzin Gyatso, better recognized as the 14th Dalai Lama, has much to teach the rest of us. Beyond his presence in Asia, throughout his life the Dalai Lama has spread his …

Hinduism

Things to master before turning 50

Approaching midlife can be scary.<p>One thing that makes it scarier is feeling like you haven’t accomplished all the life stuff you set out to in your …

Bill Gates

Facts don’t change people’s minds. Here’s what does

If you had asked me this question – How do you change a mind? – two years ago, I would have given you a different answer.<p>As a former scientist, I …

Al Gore

This Is Just the Beginning

Do you think that being asked to leave a restaurant, or having your meal interrupted, or being called by the public is bad? My fascism-enabling …

Society

What Self-Awareness Really Is (and How to Cultivate It)

Self-awareness seems to have become the latest management buzzword — and for good reason. Research suggests that when we see ourselves clearly, we are more confident and more creative. We make sounder decisions, build stronger relationships, and communicate more effectively. We’re less likely to …

Self-awareness

13 Little But Powerful Ways To Shatter Your Ego

—A starter’s guide.Tanja Heffner<b>Every time I’ve suffered in life, my ego has been at the source.</b> Not knowing your ass from third base breeds numerous …

Self-help

7 Things I Wish I Had Known Sooner in Life

You can make millions and still be poor.<p><i>What is something you wish you had known sooner? originally appeared on Quora:</i> <i>the place to gain and share knowledge, empowering people to learn from others and better understand the world</i>.<p><b>Answer by Andrew Ferebee, Founder of Knowledge For Men | 3x Best</b> …

shareknowledge

10 Ways to Be Happier

A few years ago, on a morning like any other, I had a sudden realization: I was in danger of wasting my life. As I stared out the rain-spattered …

Happiness

What determines human decisions?

One could call Daniel Kahneman the unicorn of economics. As a psychologist, he had a profound influence on people who criticized the homo economicus …

Critical Thinking

This colorful vortex ring collision is almost too mesmerizing

Five years ago, Destin Sandlin of the YouTube channel SmarterEveryDay saw a video of two vortex rings colliding with each other. As he watched, …

YouTube

Iran’s ancient engineering marvel

Dating back around 3,000 years, the qanat is an ingenious and sustainable solution to Iran’s dearth of easily accessible water.<p><i>What on Earth are those?</i> I thought to myself shortly before landing in the Iranian city of Esfahan one summer. From the aeroplane window, I could see what looked like a …

Ancient History

7 Ways To Get Rid Of Negative Thoughts, According To Experts

Many of us feel negative from time to time — and it's easy tolet negative energy bog you down. When it does, it can affect every area of your life. …

Why We May Have Already Won the Lottery of Life

<b>“Be thankful for what you have, you'll end up having more. If you concentrate on what you don't have, you will never, ever have enough.” ~Oprah</b> …

Listen To A P-82 Twin Mustang Purr, A Glorious Sound Not Heard In Over 30 Years

Arguably one of the most exciting warbird restorations ever is coming to fruition and here's the sound to prove it.<p>Facebook Screencap<p>Tyler …

Say Goodbye to Perfectionism: 12 Ways to Stop Being So Hard on Yourself

<i>Do you have unrealistically high expectations?</i><p><i>Do you expect perfection from yourself and others?</i><p><i>Are you frequently disappointed that things don’t go</i> …

The Best Rome Travel Tips From Our Readers

Rome wasn’t toured in a day. “Remember you cannot possibly do it all,” says reader neededaname. “Living there full time for about a year and a half …

The Secret to Happiness Is Helping Others

There is a Chinese saying that goes: “If you want happiness for an hour, take a nap. If you want happiness for a day, go fishing. If you want …

If a happy, successful life is about developing 3 good daily habits, what would they be?

What I love about this question is that it doesn’t separate happiness from success.<p>As you alluded to in your question, you cannot have success …

Learn How to Fold a World-Record-Setting Paper Airplane

Growing up with six brothers, John Collins got really good at folding paper planes.<p>"Anything you can beat your siblings at is good," he says.<p>But he …

Siblings

Are You Being Manipulated?

We all want to get our needs met, but manipulators use underhanded methods. Manipulation is a way to covertly influence someone with indirect, …

These 14 Urban Survival Skills are Critical

<i>by Megan</i><p>When SHTF, the most important thing for you to understand is that everything you know about how the world works can change very quickly. Most …

Emergency Medicine

9 Practical Tips From My Therapist That I Actually Use Every Day

This is like my mental health toolkit.<p>"Do I???" I said, second guessing everything before I made the leap to a new city. But it's been almost two years since that last session — and she was right. Whenever I find myself feeling anxious, I recall a tip or mantra from our sessions that calms me down. …

This is how to “work smarter not harder”: 3 secrets from research

“Work smarter, not harder.” Sounds good. But how do you actually do that?<p><i>*crickets*</i><p>Well, luckily someone finally took up the challenge of finding a …

Work-life Balance