Female Aedes aegypti mosquitoes like this one are responsible for transmitting dengue fever in Bangladesh and other countries. The fever's season is getting longer, experts say. James Gathany/CDC Handout via Reuters hide caption
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Protesters fend off tear gas and riot police in Hong Kong on Sunday. Pro-democracy demonstrations in the semi-autonomous Chinese territory have been going on for several weeks. Vincent Yu/AP hide caption
U.S. Treasury Secretary Steven Mnuchin (left) looks on as U.S. Trade Representative Robert Lighthizer speaks with and Chinese Vice Premier Liu He in Shanghai on Wednesday. Ng Han Guan/AFP/Getty Images hide caption
A Chinese national flag flutters in front of the People's Bank of China, the country's central bank, in Beijing. The bank plans to launch a cryptocurrency. Andy Wong/AP hide caption
Trucks churn up coal dust at the Tavan Tolgoi coal mine in the South Gobi desert. The Tavan Tolgoi deposit is estimated to possess 6.5 billion tons of coal, including high-grade coking coal — a product vital to the steel-making process. Claire Harbage/NPR hide caption
South Koreans in Seoul watch a file image of North Korean leader Kim Jong Un observing a missile launch after Pyongyang's latest test was announced on Wednesday. Chung Sung-Jun/Getty Images hide caption
South Korea Says About 20% Of Its Population Is At Risk For Internet Addiction
Huawei Reports Its Revenue Is Soaring Despite Roadblocks From The U.S.
Months After Talks Broke Down, U.S.-China Trade Negotiations Resume
Rapid population growth in Ulaanbaatar, Mongolia, coupled with a household dependence on coal for heating and cooking has created perfect conditions for one of the most extreme cases of air pollution in the world. Claire Harbage/NPR hide caption
Mongolia's Capital Banned Coal To Fix Its Pollution Problem. Will It Work?
A white tiger at the Alipore zoo in Kolkata, India. India's tiger population has grown to nearly 3,000, making the country one of the safest habitats for the endangered animals. Bikas Das/AP hide caption
U.S. Trade Representative Robert Lighthizer (from left), U.S. Treasury Secretary Steven Mnuchin and Chinese Vice Premier Liu He gather for a meeting in Beijing on May 1. They are meeting again in Shanghai this week. Andy Wong/AFP/Getty Images hide caption
Japanese steakhouses often serve a creamy orange-pink sauce alongside a steaming meal. The popularity and intrigue around the sauce led one teppanyaki restaurant owner, Terry Ho, to start bottling it in bulk under the name Yum Yum Sauce. Olivia Falcigno/NPR hide caption