Human Needs

Health & Medicine

We still don't know for sure how Ebola reached humans

Scientists are still trying to figure out when and how the Ebola virus first emerged in humans. Many believe that fruit bats are the so-called “reservoir hosts,” but that remains to be definitively proven. Science writer David Quammen ventured deep into the forest of central Africa to try to find out for his latest book “Ebola: The Natural and Human History of a Deadly Virus.”

Health & Medicine

How 'big data' could help stop the spread of Ebola

When it comes to containing an outbreak like Ebola, anticipating where it might spread next is crucial. Until somewhat recently, however, the only way to do that was through untimely census records. But with the proliferation of so-called "big data," epidemiologists can track in real time where West Africans are headed — and where they might be spreading the disease.

Health & Medicine

Reporter Sonia Narang answers your questions about maternal health in Nepal

Updated

Sonia Narang answered your questions about her story and her observations about maternal and newborn health in Nepal during a live Q&A on The World's Facebook page on Tuesday, February 25. Narang's report, part of our "Ninth Month" series, examined the efforts to change Nepal’s ingrained attitudes and behaviors around pregnant women performing strenuous tasks that put mothers and their unborn children at risk.

Business, Finance & Economics

A meat scandal in China has customers asking just how safe is Western fast food?

The McDonald's menu in China is looking sparse ever since investigative reporters there filmed a local firm allegedly repackaging old meat — even scooping it off the floor — and selling it to fast food outlets. The company, Shanghai Husi Food, is a major supplier to many foreign chains in China, including McDonald's, KFC, Pizza Hut and Starbucks.