1) The concept of virtual reality (VR) involves creating a simulated environment that can be explored and interacted with using specialized headsets and input devices.

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

3) A newborn kangaroo is about 1 inch (2.5 centimeters) long and weighs less than a gram.

4) Political campaigns involve strategic activities, such as advertising, public appearances, and grassroots organizing, aimed at promoting a candidate or political party and gaining support during elections.