Have you ever wondered why when someone yawns, the other person follows suit? Yawning is caused due to low levels of oxygen in the air, which makes the body intake large amounts of oxygen. The reason why yawning is said to be contagious is because when we do so, we are actually activating our nervous system. This has something to do with the survival instinct we have inherited in the course of evolutionary past. In the primitive years, when someone would yawn, the whole group would become alert and get better at sensing danger. Array... full fact »

Google is launching balloon in stratosphere to deliver internet to places where internet connection is not possible by other means. They are using wind calculation to propel balloons to proper locations. Project started in New Zealand's remote parts, but it will spread throughout the world with thousands of balloons. Even Google thinks that this is crazy idea and they called it Project Loon. Balloons will be circling at around 24KM altitude. ... full fact »

Hexagram is a geometrical figure that looks like a star and has 6 edges and vertices. It is also refereed to as a six-pointed star. The way the hexagram can be formed is with the help of two overlapping triangles which are both equilateral. The unique thing about a hexagram is that one side points upwards and the other one is downwards. The hexagram has such an importance in Judaism and is often referred to as the Star of David. In fact, every ancient religion has some or the other mention of this star in its history be it Hinduism which has this symb... full fact »

One of the major points that Facebook scored over all of the other social networking sites, at least initially, was its stringent privacy settings that gave you a sense of security and safety regarding the contents of your profile on Facebook. However, with the advent of Twitter and other such sites, Facebook might be in a mood to keep up with the growth of its competitors - and this might be why now Facebook content is easily accessible to strangers and gone are the days when you had a sense of privacy that only you and your exclusive friends shared on ... full fact »

A special type of cloud is often mistaken for a UFO. These clouds, known as 'lenticular clouds' form above a mountain when a breeze creates a number of 'standing' waves on the downwind side of the mountain. If the temperature is right the moisture will condense to produce a lens or saucer shaped cloud. These clouds can be dangerous for pilots of large planes who avoid flying over these planes due to the turbulence above them. ... full fact »

After supernova universe was expanding up to one point and after that strange matter continued this expansion. Scientists called this matter the Dark Energy. Dark energy has so much of dark matter that is associated with it and we still don't know much about it. Though, man has made such large strides in astronomy and has been able to find out so much, at the same time, there is so much more that remains and that is the dark matter. There is the mysterious and unknown form of energy in the universe that man has not been able to fathom much about. This e... full fact »

Nelson Rolihlahla Mandela was born 18 July in the year 1918. He was named Rolihlahla and got the name Mandela from his grandfather. The name Nelson was given to him by his teacher Miss Mdingane. He was born in Mveso, Umtata in the Cape Province. After the death of his father he was looked after by his relative. He became the first child of Mandela family to get education. He was an intelligent child and completed the Junior certificate in two years instead of three. Nelson took admission in the University of Fort Hare to do Bachelor's in Arts but was soo... full fact »

Johnny Campbell was the first to cheer the football team in 1898 in Princeton. Cheerleading is almost 100 years old when most of the cheerleaders were men. Now 98% of cheerleaders are females. The estimates tell that around the world there are more than 4 million cheerleaders. Cheerleaders are generally in the age group of 5 to 13 years. Most of the cheerleaders are gymnasts and 12% are dancers. In US 80% schools have cheerleading squads. The Dallas Cowboy Cheerleaders is the most famous squad. Football is most popular sport for cheerleading. Cheerleadin... full fact »