A typhoon headed toward Taiwan and the southern coast of China is rapidly gaining in speed and strength ahead of an expected landfall later this week. Typhoon Chanthu has rapidly intensified in the past 36 hours from a tropical depression into a severe typhoon, according to the Joint Typhoon Warning Center, with maximum wind speeds of up to 233 kilometers per hour (145 miles per hour). It is likely Chanthu will expand into a super typhoon in the coming hours. Given the trajectory of the storm, it is still unclear whether Chanthu will first pass over Taiwan before it slams...