Marc Silver

"How well do today's schools prepare for tomorrow's world?"

That's the question in a new report from the Organization for Economic Co-operation and Development. This group administers the Program for International Student Assessment to 15-year-olds in 75 countries. The goal is to find out whether they can use their math and science knowledge to answer a series of questions that measure skills needed for young people to make a contribution to the economy.

In just two days, Liberia will celebrate what seemed an impossible dream last summer: the end of its Ebola outbreak.

Saturday, May 9 will mark the 42nd day of no new Ebola cases in the country. A person with Ebola typically shows symptoms within 21 days of exposure. But the World Health Organization adds an extra 21 days for extra caution before declaring that an outbreak has ended. So on Saturday, WHO officials and President Ellen Johnson Sirleaf will announce that Liberia is Ebola-free.

The interviewer asks the fresh-faced young woman named Irene: "What do you do here in this village?"

"I am a prostitute," she says.

Have you ever had an "aha" moment? Suddenly, it becomes clear you have to make a change in your life, and you actually go ahead and do it.

Safeena Husain, 43, has had three "aha" moments. She ran away from home in India to an ashram. She let her fingers do the walking through the Yellow Pages to plot a new career in the U.S. And she found her true calling after a soul-shaking encounter in a Himalayan village.

The term "living legend" is tossed around so much that it really doesn't have much sway.

Editor's note: A version of this story ran in April 2014.

Yes, it is true that gardening requires patience.

But face it, we live in an impatient world. And gardeners everywhere were depressed by the brutal and endless winter.

So we are understandably eager to get sowing. And to see results by ... well, if not next Thursday, then maybe mid-May?

A funny thing happened at the 12th Skoll World Forum on Social Entrepreneurship last week in Oxford, England.

At this global gathering of activists and change-makers, where conversation often centered on poverty, disease and disaster, there was a session called What's So Funny? The Role of Comedy in Social Change.

What do you call someone who runs a successful business that aims to make the world a better place? A CEO with a conscience? A do-good bottom-liner?

At the Skoll World Forum this week in Oxford, England, the preferred term is social entrepreneur. In fact, the conference is completely devoted to the idea — and promoting its rising stars.

Young entrepreneurs are invited to join veterans for workshops, talks and confabs. Awards are given for "social entrepreneurship."

It seems like a simple goal: All kids should go to primary school.

People began talking about it in the 1960s. And they kept talking about it. "Everyone thought it was pretty doable; it wasn't too big of a deal," recalls Aaron Benavot, director of UNESCO's Education for All Global Monitoring Report.

But for lots of reasons — cutbacks on government spending, no schoolhouse within an easy commute — it just wasn't happening. So in 2000, 164 nations got together and pledged "Education For All" by 2015.

It's hard to think about Yemen in a hopeful way. In fact, the country seems like the very definition of hopelessness.

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