The Mariana Trench, at 11,000 meters, is the deepest part of Earth. But even at these depths, 11 kilometers below the ocean surface, one explorer found both new species and leftover plastic that we throw away. VOA's Kevin Enochs reports.
Wildfires are often discovered by aircraft pilots, drivers or spotters in observation towers but also increasingly by remote sensors, which alert authorities to fire outbreaks. Mike O'Sullivan reports from Los Angeles that a new ground-based camera system and satellites in space are helping firefighters to monitor wildfires.
As anticipation builds for the next-generation mobile communications or 5G, security has become a heated topic. The U.S. government has launched an unprecedented campaign urging countries to ban one of the key makers of equipment for the new network, China-based telecom titan Huawei. But Huawei is vowing to refuse to assist any country in spying and even claims it would rather go out of business. VOA's Bill Ide recently visited the company's headquarters in China's southern city of Shenzhen.