This post was written in 2008 Arcade, nine years later we have updated and completed it because many things have happened and now there are a few more than 50
Hundreds of strange facts beat science every day, here is a list of the 50 most curious. The election process was to have more than 100 people vote on the facts from a list  of 198 curiosities (Some of them were updated, to be consistent with current events). In the review of the article we have completed with current data and related facts and added a couple of points that we have found remarkable.
Many of you ask me by mail for interesting topics to present in class. So I take the opportunity to recommend this list, because almost any of these science curiosities can be expanded and exhibited in class.
- It takes 8 minutes and 17 seconds for light to travel from the Sun to the Earth's surface.
- October 12, 1999 was declared "the day of six billion people," according to United Nations forecasts. And October 31, 2011 was the day of the seven billion people. The 8.000 million are expected by 2027
- The Earth rotates at a speed of 1 609 km / h, but is traveling through space at the incredible speed of 107 826 km / h. They have recently determined the speed of the sun at 864.000 km / h
- When the Krakatoa volcano erupted in 1883, the force it unleashed was so colossal that it could be heard in Australia, more than 4 km away.
- The largest hailstones weighed 1kg and fell in Bangladesh in 1986.
- 1 people die each year from lightning. At any given time of the day, nearly two thousand lightning strikes are struck by electrical storms. Rays move at one-third the speed of light. Roy Sullivan American Ranger and named the Human Lightning Rod, was struck by lightning on 000 different occasions and survived all of them. Has the Guinness record
- In October 1999, an iceberg the size of London broke off the Antarctic ice shelf. In addition, an iceberg only shows approximately 10% of its body
- The Australian Kakadu plum contains 100 times more vitamin C than an orange.
- Astronauts cannot burp because weightlessness does not allow the separation of liquid and gas in their stomachs.
- The first synthetic human chromosome was created in 1997 by American scientists.
- The thermometer was invented in 1607 by Galileo. The telescope in 1609.
- Alfred Nobel invented dynamite in 1886. With his money, Nobel prizes are paid.
- The largest tree of all time was an Australian Eucalyptus Regnans in the interior forests of Tasmania. In 1872 it registered a height of 132 m. Taller than Hyperion, California's famous 116m Sequoia Sempervirens
- Christian Barnard performed the first heart transplant in 1967. The operation, performed by a team of twenty surgeons under Barnard's direction, lasted six hours. Upon awakening, Washkansky declared that he felt much better with the new heart. Doctor and patient were catapulted to fame, although eighteen days later, in the early morning of December 21, the patient died of pneumonia.
- The wingspan of a Boeing 747 is greater than the length of the first flight of the Wright brothers. Its wingspan is 68,5 meters and the first flight was 37 meters.
- An electric eel can produce a discharge of more than 600 volts.
- The first wine producers lived in Egypt around 2300 BC. Sites in the Zagros Mountains in Iran have shown that wine was already made in 8.000 BC.
- Giraffes often sleep for 20 minutes a day. They can sleep up to 2 hours (at times, not all at once), but exceptionally. They never go to bed. Giraffes can clean their ears with their tongue, which is half a meter long.
- Without its layer of mucus, the stomach would digest itself.
- At 38 cm, the giant squid's eyes are the largest on the planet.
- Germs spread more shaking hands than kissing.
- The maximum speed at which a raindrop can fall is 28 km / h.
- The world's smallest winged insect, the Tanzanian parasitic wasp, is smaller than the eye of a housefly.
- It would take a heavy object about an hour to sink about 10 km into the deepest part of the ocean.
- The Saturn V rocket that took man to the moon developed an energy equivalent to 50 Jumbo 747 aircraft.
- The koala sleeps 22 hours a day on average, two hours more than the sloth.
- Even traveling at the speed of light it would take 2 million years to reach the nearest large galaxy, Andromeda.
- The temperature in the Antarctic can drop suddenly to -35ºC.
- At over 2 km in length, the Great Coral Reef is the largest living structure on Earth.
- The largest desert in the world, the Sahara, has more than 9 km065.
- The largest dinosaur ever discovered was the Seismosaurus, which was over 30m tall and weighed over 80 tons.
- The percentage of mortality from the bite of the black mamba snake is 95%
- A dog's sense of smell is a thousand times more sensitive than that of humans.
- Today's manned rockets would take 70.000 years to reach the nearest stars.
- Lightning bolts can be up to 30 miles (48 km) long, less than an inch (2,54 cm) thick and warmer than the surface of the sun.
- The most dangerous mode of transportation is the bicycle. And the safest form of transportation is the elevator.
- Counting from the first fatal car accident (more than 100 years ago) to date, 25 million people have died.
- The International Space Station weighs about 500 tons and is the size of a football field.
- Each domestic cow emits approximately 150 kg of methane per year.
- Hummingbirds consume the energy equivalent to half their body weight in food per day.
- The highest speed recorded by a train was 574,7 km / h, achieved by the French TGV.
- The highest speed reached by a bicycle is 166,94 miles / hour (268,6 km / h), achieved by Fred Rompelburg.
- Camels go 17 days without drinking in extreme heat.
- The 10 highest mountains in the world are located in the Himalayas.
- An adult poison frog of the Colombian species “Golden Dart” has enough toxins to kill 1.000 humans. A list of the most poisonous animals is here
- Earthworms have five pairs of hearts, on the front of their bodies.
- A human heart beats 100.000 times a day, throughout its life, a human pumps enough blood to fill 100 pools. Each heart pumps 1/15 pint (0,43 liters) of blood with each beat.
- The talipot palm takes 100 years to flower, and then dies.
- The call of the humpback whale produces a louder sound than that of the Concorde and can be heard from 926 km away.
- About a billion trillion neutrinos from the Sun will have passed through your body as you read this sentence.
- On November 12, 2014 the human being in the Rosetta mission manages to land a 110 kg probe (Philae) on a comet that is more than 180 million km away and is moving at 55.000 km / h after a trip of more than 12 and a half years
- In April 2016 the aerospace company Space X managed to land a rocket (the Falcon 9) vertically on a floating platform.
If you liked it, I recommend our article on curiosities of insects.
 List 1; List 2.