All Education Information: General knowledge Every Day and General Science | Exam Preparation Important | Exploring Science: Fascinating Facts and Discoveries

Delve into the realm of science with our curated collection of fascinating facts and discoveries. Enhance your general knowledge with insights into everyday science phenomena. Perfect for exam preparation or simply satisfying your curiosity about the wonders of the world around us. Uncover the mysteries of everyday science with our comprehensive guide, designed to help you prepare for exams and expand your understanding of the world. From basic principles to remarkable discoveries, explore a wealth of knowledge that will enrich your learning journey and ignite your passion for science. Whether you're a student, educator, or science enthusiast, this resource is your gateway to unlocking the secrets of the universe.

Blood in human body 7 – 8 liters
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 Aero plane Flight Wilber Wright and Orwell Wright (USA) on 17th Dec 1903
First aero plane 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 “Micrographic”)
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

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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)