1) The Internet of Things (IoT) refers to the network of physical devices, vehicles, appliances, and other objects embedded with sensors, software, and connectivity.

2) The world's largest volcano, Mauna Loa in Hawaii, is also one of the most active.

3) The FIFA Women's World Cup has been held since 1991 and showcases the best women's national soccer teams from around the globe.

4) The hibiscus flower is commonly associated with tropical regions and is the national flower of several countries, including Malaysia, South Korea, and Haiti.