Nurith Aizenman

Georgina Mamba wasn't blind. Yet when she was in the fourth grade she was kept for months in a class for kids who couldn't see.

Then she was transferred to a class for the hearing impaired — even though Mamba wasn't deaf either.

Mamba's problem: At age 2, she contracted polio and essentially lost the use of her lower limbs. And in Zambia, where she's from, the educational options for physically disabled people are extremely limited.

What do Kyrgyzstan, Vietnam, Albania, Germany and Ethiopia have in common?

Turns out all five countries do better than average when it comes to turning their national wealth into a better life for their citizens.

There's also a list of countries that do worse than average. Spoiler alert: The United States is one of them.

This unusual gauge of national success is the brainchild of analysts at the Boston Consulting Group.

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Etharin Cousin heads the United Nation's World Food Programme — but lately she sounds more like the captain of a ship facing some very ugly weather.

"We are seeing all the indicators of a perfect storm coming toward us in Southern Africa," Cousin said in a recent press call this week. "And we are saying that we have the opportunity to move this boat in a different direction and to avoid the storm."

Updated June 29 at 3:14 p.m.

Today Sotheby's attempted to auction the largest diamond discovered in over a century — a hunk of transparent rock the size of a tennis ball. It was found last November at an open-pit mine in the southern African country of Botswana. At 1,109 carats it's second in size only to the storied "Cullinan" diamond found in South Africa in 1905 and cut down into nine of the gems in the United Kingdom's Crown Jewels.

When Zika started spreading through Latin America earlier this year, a number of governments issued advisories recommending that women put off getting pregnant because the virus can cause severe birth defects. At the same time these countries kept in place strict laws that would prevent a woman from getting an abortion if she were already pregnant.

Evelyn Amony was just a few weeks shy of her 12th birthday when rebel soldiers from the Lord's Resistance Army abducted her from her village in Northern Uganda. It was the summer of 1994, and for the next 11 years she would endure a series of unfathomable hardships: grueling marches through the mountains during which any child soldiers who lagged behind were beaten to death as an example to the rest.

What does helping a 3-year-old control her temper tantrums have to do with reducing global poverty? Quite a lot, says Dana McCoy.

Will this summer be hotter than average?

How much rain can we expect?

A key step to answering questions about the weather is to consult the historic record. But what if there were no record? That's the predicament that Rwanda faces. The civil war and genocide that devastated that country in 1994 also destroyed Rwanda's system for tracking weather. The result was that for a roughly 15-year stretch, Rwanda has almost no record of what its weather was like.

It's been a week of global powwows: the World Humanitarian Summit in Istanbul, the G-7 Summit in Ise-Shima, Japan, and the World Health Organization's World Health Assembly in Geneva.

But if you happen to be a horse, there was really only one gathering that mattered: The annual general session in Paris of the World Organisation for Animal Health (or OIE as the body is known by its French initials).

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