A new super-efficient vertical farming system in Singapore is producing greens for the 5 million residents of the crowded city-state. The system is helping increase its food security while helping cut down on the climate impact of food production.
Some of the most fascinating investigative videos we're finding these days focus on espionage. It's hard enough to find out who these secret agents are, but getting enough good video to tell a story visually is difficult. Here’s our list of five spy cases that leave us scratching our heads.
Tens of thousands of Palestinians took to the streets today to commemorate the "nakba," or "catastrophe," when they fled or were expelled from their homes during the creation of the state of Israel in 1948.
This week marks 10 years since the U.S. and its allies invaded Iraq. What began as a mission to find weapons of mass destruction has become a decadelong war that has cost hundreds of billion of dollars so far. How has public opinion on the war changed?