Blood in human body 7 – 8 litres Breathing of a normal man 18 times in a minute chromosomes in the human body 46 Densest planet Earth First acid to be discovered Acetic Acid First Aeroplane Flight Wilber Wright and Orwell Wright (USA) on 17th Dec 1903 First aeroplane flight across the English Channel Louis Bleriot First airplane flight over the North Pole 9th May 1926 (Floyd Bennett and Richard E. Byrd) First Alloy Bronze First analogue computer Lord Kelvin First Antibiotic Penicillin (1941) discovered by Alexander Fleming First Atom Bomb J. Robert Oppenheimer First Atomic Bomb use 6th August 1945 on Hiroshima (Japan) First British woman physician Elizabeth Garrett Anderson First Chinese astronaut in space Col. Yang Liwei (15 Oct 2003) First clone of human beings 27th Dec. 2002 First computer programmer Augusta Ada First Digital computer 1946 First draft of DNA Francis Crick and James Watson (1953) First draft of the human genome sequence February 2001 First drawings of cells Robert Hooke (In his “Micrographia”) First environment pact 10th June 2002 in Kuala Lumpur (ASEAN countries signed it) First flight around the world 16th April 1924 First Flight of Space Shuttle 4th December, 1981 manned by John Young and Robert Crippen First fruit tree Date-palm First general-purpose orbiting observatory Hubble Space Telescope (Launched on April 24, 1990, named after US astronomer Edwin P. Hubble) First Heart Transplant *** Dr. Christian Neethling Barnard (South Africa) Dec. 3, 1967 First Hydrogen bomb test (USA) Nov 1952 at Eniwetok Atoll in the Pacific First liver transplant recipient Lichirou Tsuruyama of Japan (July 1889) First lunar probe Luna 1, (Launched by USSR on 2nd Jan 1959) First man to walk in space Alexei Leonov (Russian Astronaut in 1965) First man to walk on the moon Neil Alden Armstrong USA on 21st July 1969 First man-made object to leave the solar system Pioneer 10 First modern woman doctor Elizabeth Blackwell First non-stop balloon journey around the world Brian Jones and Bertrand Piccard (1999) First non-stop solo flight across Atlantic Ocean Charles Augustus Lindbergh (USA) First Nuclear test Alamogordo desert (New Mexico in USA) (July 16, 1945 before dawn) First person in space Yuri Gagarin (USSR) on 12th April 1961, when he orbited the Earth aboard the Vostok 1 spacecraft First person to fly in a balloon Dr. Pilatre de Rozier first person to walk on the moon Neil Armstrong (USA) on 21st July 1969 First programmable digital computer Z3, 1941 First programmable electronic computer Colossus, 1943 First programmer Ada Lovelace (1815 – 1852) First Satellite in space Sputnik 1 (1st Oct 1957 by Russia) First sighting of Halley’s Comet 240 BC by Chinese First solid-state computer 1960 (USA) First space shuttle flight Columbia (1981) First spacecraft to orbit Saturn Cassini-Huygens July 1, 2004 First supersonic flight Captain Charles Elwood Yeager (14th Oct 1947) First test tube baby A girl Louise Brown (July 25, 1978) First talking film “Lights of New York” (1928) First transcontinental flight 10th Dec 1911 (Flown by Calbraith P. Rodgers) First unmanned landing on Mars 1971 by USA First US space station Skylab-I First US spacecraft to reach moon Ranger 4 First US woman in space Sally K. Ride (Challenger on 4th April 1983) First weather satellite in orbit 17th Feb, 1959 (US Navy launched it) First Woman in space Valentina Vladimirovna Tereshkova (USSR) 16 – 19 June 1963 First woman physician of USA Elizabeth Blackwell First woman to cross Atlantic Ocean by air Amelia Earhart First woman to walk in space Svetlana Savitskaya ( 1984) “Floating bodies law” Archimedes Gas in balloon Helium hardest thing present in a human body Dental enamel Highest electrical conductivity Silver metal Joints in human body 236 Largest bone Thigh Bone Largest comet The object 2060 Chiron (discovered in 1977) Largest invertebrate Giant Squid Largest Meteor Crater New Quebec (Canada) Largest Planet Jupiter (diameter 88,844 miles) Largest Satellite ` Ganymede Largest Star Betelgeuse (500 times greater than the Sun) Least Abundant element Radio active gas Random Least dense planet Saturn Longest bone in human body Femur or Thighbone Longest cell in human body Nerve cells (Neurons) 4 feet and 3 inches Maximum duration of eclipse 7 minutes and 31 seconds Most common element in the atmosphere Nitrogen Most common element in the universe Hydrogen most easily breakable bone of human body Collar bone Most expensive metal Platinum Nearest planet from the Sun Mercury Normal blinking of human eyes 20,000 times a day Normal Blood Pressure 120/80 mm Hg. Normal breathing of human 20 times per minute Normal Pulse rate 70 Per Min Normal Temperature of human beings 98.4 F, 36.9 C Oldest known disease Leprosy Only birds that can see the blue colour Owls Only food that does not spoil Honey Only part of body without blood supply Cornea of the eyes Only planet to rotate clockwise Venus Planet nearest to the earth Venus Planet with most moons Jupiter Planet with most satellites Jupiter (39) (Diameter of 142, 800 km, 2.5 times more mass than all the other planets) Planets with no moon Mercury and Venus Planet with strongest magnetic field Jupiter Ribs in human body 24 Shortest wavelength colour Blue Smallest bone in human body Stapes or Stirrup bone Strongest muscle masseter muscle, which is located in the jaw Velocity of light 2,99,729.458 km Water in human body 85%. Weight of the brain of a man 4.8 ounces (Men) 4.4 ounces (Women)
Posted on: Thu, 27 Jun 2013 07:58:16 +0000
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