science facts

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• Humans get a little taller in space because there is no gravity pulling down on them.

• Because of the unusual shape of their legs, kangaroos and emus struggle to walk backwards.

 

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• A hippopotamus may seem huge but it can still run faster than a man.

• Even if an analog clock is broken, at least it shows the correct time twice a day

 

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• Sneezing with your eyes open is impossible.

• The trickiest tongue twister in the English language is apparently "Sixth sick sheik’s sixth sheep’s sick". Give it a try and see for yourself.

 

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Sports Science Facts:

• Olympic gold medals are actually made mostly of silver.
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• Dimples on a golf ball help reduce drag, allowing the ball to fly further than a ball without dimples.
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• Anaerobic exercise refers to high intensity activities over a short duration (e.g. sprinting) while aerobic exercise refers to physical activity performed at a moderate level over longer periods of time (e.g. jogging).
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• Regular exercise helps boost the immune system.
  
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• The string tension of most tennis racquets is around 50 to 70 pounds (220 to 310 newtons). With lower tension a tennis racquet produces less control and more power while higher tension produces more control and less power.
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• The official distance of a marathon is 42.195 kilometres (26.219 miles).
  
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• The tallest basketball players to ever play in the NBA were Manute Bol (from Sudan) and Gheorghe Muresan (from Romania). They were both 7 ft 7 in tall (231 cm).
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• Common sports injuries include muscle cramps, muscle pulls, back strains, shin splints, tennis elbow (tendonitis), sprained ankles and plantar fasciitis (foot pain).
  
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• The fastest recorded tennis serve was 155 mph (249 kph), by Andy Roddick in 2004.
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• Regulation Major League baseballs feature exactly 108 stitches.
  
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• Snowboarders and ice skaters glide on a thin layer of water as their skates and boards heat the snow beneath them.
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• Modern swimwear has developed to the point where the fabric and designs are actually faster through the water than human skin. Controversial neck to ankle suits have been one of the reasons behind the consistent breaking of world record times since they were introduced around the year 2000.
  
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• Curling stones used in the Olympic sport of curling are made from granite.
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• Astronaut Alan Shepard played golf on the Moon after he smuggled a golf ball and club on to the NASA Apollo 14 mission to the Moon in 1971.
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• The diameter of a full sized basketball is half the diameter of a basketball hoop.
  
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• Nature Facts
  
  The Great Barrier Reef in Australia is the world’s largest reef system.
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• The waste hierarchy or 3 R’s are (in order of importance) reduce, reuse and recycle.
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• Around 75% of the volcanoes on Earth are found in the Pacific Ring of Fire, an area around the Pacific Ocean where tectonic plates meet.
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• Despite it name, the Killer Whale (Orca) is actually a type of dolphin.
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• Giant water lilies in the Amazon can grow over 6 feet in diameter.
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• The largest ocean on Earth is the Pacific Ocean.
  
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• The largest individual flower on Earth is from a plant called Rafflesia arnoldii. Its flowers reach up to 1 metre (3 feet) in diameter and weigh around 10kg.
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• Plants on the surface of the Earth have existed for around 400 million years.
  
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• Unlike humans, cows and horses sleep while standing up.
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• When an insect touches the hairs of a Venus Fly Trap it triggers the plant to close, trapping its victim before killing and dissolving it in acid.
  
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• Although Polar Bears have white, fluffy fur, their skin is actually black.
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• Female lions are better hunters than male lions and do most of the hunting for a pride.
  
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Around three quarters of the increase in CO[SUB]2[/SUB] levels from human activity over the last 20 years is from the burning of fossil fuels. The rest is made up largely of land use changes such as deforestation.

 

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• The largest land based mammals on Earth are elephants.
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• Born in 1809, Charles Darwin was an English naturalist who developed the idea of natural selection and changed the way we think about evolution.
  
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• Math Facts
  
  Mathematics is important in many different types of jobs, including engineering, business, science, medicine and more.
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• It is believed that Ancient Egyptians used complex mathematics such as algebra, arithmetic and geometry as far back as 3000 BC.​

 

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• It wasn’t until the 16th century that most mathematical symbols were invented. Before this time math equations were written in words, making it very time consuming.​
• What comes after a million, billion and trillion? Why a quadrillion, quintillion, sextillion, septillion, octillion and nonillion of course
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• Cutting a cake into 8 pieces is possible with just 3 slices, can you work out how?​
• An icosagon is a shape with 20 sides.
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• A three dimensional parallelogram is called a parallelepiped.​
• Trigonometry is the study of the relationship between the angles of triangles and their sides.
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• The smallest ten prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.​
• The name of the popular search engine ‘Google’ came from a misspelling of the word ‘googol’, which is a very, very large number (the number one followed by one hundred zeros to be exact).
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• A ‘googolplex’ is the number 1 followed by a googol zeros, this number is so big that it can’t be written because there isn’t enough room in the universe to fit it in! It would also take a length of time far greater than the age of the universe just to write the numbers.​
• The number Pi (the ratio of the circumference to the diameter of a circle) can’t be expressed as a fraction, this means it is an irrational number. When written as a decimal it never repeats and never ends
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• Here is Pi written to 50 decimal places: 3.14159265358979323846264338327950288419716939937510​
• If two quantities have a ratio of approximately 1.618, they are said to be in the golden ratio. This ratio has been used throughout history to design aesthetically pleasing art works such as the Parthenon. It also appears in paintings, music, the design of books, and even in nature.
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