Chicken and Rooster (Photo credit: Wikipedia) “Which came first the chicken or the egg?” is one of the most famous riddles of all time. Its a popular riddle because its such a simple question, yet so baffling. The recent discovery of a rare fossilized dinosaur nest may share some light on this question, according to Francois Therrien, the curator of dinosaur paleoecology at the Royal Tyrrell Museum in Drumheller, Alberta, Canada.

Soaring 29,029 feet (8,848 meters) above the majestic Himalayas, Mount Everest is the highest mountain on earth. Often referred to as the “roof of the world”, Mt Everest’s location straddles the borders of Nepal and China. Mt Everest From The Air (Photo credit: Wikipedia) Climbing Mount Everest Being the tallest mountain in the world, Mt. Everest attracts both seasoned and novice climbers. Sir Edmund Hillary and Tenzing Norgay (Photo credit: Wikipedia) But making the climb is no easy feat - sudden weather changes, extreme cold and wind, falls, avalanches, and life-threatening altitude sickness all make the climb extremely perilous, despite major advances in climbing technology.

At one time, volcanic eruptions were thought to be a punishment from the Gods. Nowadays, we know volcanic eruptions are a result of glowing hot magma being forced up from the mantle through vents in the earth’s crust. Of course, that doesn’t make their explosive effects any less devastating. Here is a list of volcanoes most likely to erupt and wreak tragedy on surrounding communities and the environment at large: