1) The largest known dinosaur, Argentinosaurus, weighed around 70-100 tons and measured up to 100 feet in length.

2) Cows have best friends and can become stressed if they are separated.

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

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