The old newspaper adage, 'If it bleeds, it leads,' is as true today as it was a century ago.

By 2020 the U.S. will be short 91,000 doctors. There's no way we can educate enough doctors to make up that shortfall, and other countries are far worse off.

Space is an inspirational concept that allows you to dream big.

If you look back 600 years ago, royals' sole goal was to keep their wealth within the family.

If you believe that the developing world deserves the same standards of living that we do in the developed world, then to achieve that, they need resources. They need the metals and the minerals to build the industries and the buildings and so forth, and the energy.

I founded a launch company called International Microspace when I graduated medical school in 1989. We were trying to build a microsatellite launcher.

Making things open-source brings the cost down.

Nothing matters more than your health. Healthy living is priceless. What millionaire wouldn't pay dearly for an extra 10 or 20 years of healthy aging?

Visual artists use drones to capture beautiful new images and camera angles.

When I talk about taking bold actions in the world, few things are bolder than creating the 'Huffington Post' from scratch and reinventing the newspaper business.

Once we start believing that the apocalypse is coming, the amygdala goes on high alert, filtering out most anything that says otherwise.

So while I can't tell you if bringing a child into this world is the morally-responsible to do, I can say that the future, much like the present, is going to be a whole lot better than you think.

I'm a nine-year old kid inside and my passion has been all my life to want to travel into space.

As of 2011, it cost about $5,000 to launch a tech startup.

In 1750, 75 percent of people on the planet worked to support the top 25 percent.

If you give people unlimited time and money, they'll do things the same old way. But if they have to achieve the goal in a brief time, they'll either give up or try something new.

I have the general philosophy of creating the future you want to see.

3D printing will massively reduce the cost of certain products as the cost of labor is removed.

Now, we connect via Skype or Google+ Hangout and see our friends' and loved ones' faces live.

Drones watch for disease and collect real-time data on crop health and yields.