Nearly half of the world’s population cooks using stoves that burn fuel like wood or charcoal, creating harmful -- even deadly -- smoke when inhaled. In Ghana, where cooking with wood is the norm, there’s a study underway to find…

Venezuelans are struggling with shortages of food, medicine and other necessities, with increasing finger-pointing at the leadership of President Nicolas Maduro. For more on the challenges facing the country, Nicholas Casey of The New York Times joins Hari Sreenivasan from…

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