So many species have ruled earth, such as dinosaurs and mammoths, before and after the appearance of humans. When paleontologists dig out their bones, it is amazing that they can easily categorize these animals to carnivorous meat eaters and herbivorous plant eaters, though nobody has actually seen these creatures. Here is how the categorization is done.

Do you have what it takes to make a world record? You might want to think again after reading these extreme world records. It’s no wonder why the Guinness Book of World Records came to exist!