Prime Minister Imran Khan's ban on plastic bags in Pakistan goes into effect on Aug. 14. Environmentalists say it's a good idea — but argue that the plan is flawed.
A person with a disability may be practically invisible in some countries — or the target of cruel comments. Global activists gathered in Oregon to learn how to change laws and attitudes.
Drugs tested in the Democratic Republic of Congo are effective in treating Ebola, scientists say. They have run a study in the midst of a deadly epidemic and in the face of armed assaults on doctors.
When she was 19, Renee Bach founded a charity that went on to care for over 900 severely malnourished babies and children. Now she is being sued by two of the mothers whose children died.
An engineer has invented a new way to test for the presence of cholera bacterium in water. The test could be useful in remote areas, because it's lightweight and self-contained.
Vin Gupta, a critical-care physician with military experience and a scientist at the Institute for Health Metrics and Evaluation, talks about the U.S., Mexico, South Africa and Afghanistan.