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Immune System, antibodies and vaccines
We are surrounded by pathogens of various diseases but we don’t get sick too often. Through the course of evolution, we have got a well-developed immune system to fight with deadly diseases. Our body can differentiate between self and non-self. The foreign agents or technically antigens can be detected and be remembered by our immune […]
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INVENTIONS AND DISCOVERIES
Adding Machine, 1642. Inventor: Blaise Pascal (France) (1623-62). Earliest commercial machine invented by William Burroughs (USA) in St. Louis, Missouri in 1885. Addressograph, 1893. Inventor: J.S. Duncan (USA). Manufactured in Chicago, Illinois. Aeroplane, 1903. Inventors: Orville Wright (1871-1948) and Wilbur Wright (1867-1912), (USA) Kitty Hawk, North Carolina. Airship (non-rigid), 1852. Inventor: Henri Giffard (France) (1825-82). […]
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Deadly Coronavirus: Symptoms, Causes & Prevention
What is Coronavirus? The coronavirus is a family of viruses that can cause a range of respiratory illnesses in individuals including the common cold and more critical forms like SARS (Severe acute respiratory syndrome) and MERS (Middle East respiratory syndrome) which are life-threatening. The virus is named after its shape which takes the form of […]
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Important Portals & their Founders
Google— Larry Page & Sergey Brin Facebook— Mark Zuckerberg Yahoo— David Filo & Jerry Yang Twitter— Jack Dorsey & Dick Costolo Internet— Tim Berners Lee Linkedin— Reid Hoffman, Allen Blue& Konstantin Guericke Email— Shiva Ayyadurai Gtalk— Richard Wah kan Whatsapp— Brian Acton and Jan Koum Hotmail— Sabeer Bhatia Orkut— Buyukkokten Wikipedia— Jimmy Wales Youtube— […]
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Cell Division and Cycle
Living organisms are constantly making new cells. They make new cells in order to grow and also to replace old dead cells. The process by which new cells are made is called cell division. Cell division is occurring all the time. Around two trillion cell divisions occur in the average human body every day! Types of […]
