Did You Know? - Season 1 Episode 17

Did you know that;

1. dolphin's can detect underwater sounds from 24 km (15 miles) away
2. dinosaurs lived on Earth for over 165 million years before they became extinct
3. Mount Everest is 8.9km (5.5 miles) high
4. the diameter of the sun is 1,390,000km (865,000 miles)
5. the diameter of Earth is 12,756 km (7,926 miles)
6. the diameter of Jupiter is 152,800km (88 700 miles)
7. moths have white blood
8. it was once illegal to slam your car door in Switzerland
9. humans are the only primates that don't have pigment in the palms of their hands
10. 2 out of 5 people marry their first love
11. 45% of people use mouthwash everyday
12. 30% of people refuse to sit on a public toilet seats
13. less than 20% of shark attacks are fatal
14. people in Iceland read more books per capita than any other country
15. when baby polar bear cubs are born they cannot see or hear for their first month
16. warthogs live for 15 years
17. the average age of a polar bear in the wild is 17 years
18. warthogs can reach speeds of 48km/h (29mph)
19. the tallest mammal is the giraffe
20. the average shower tempreture is 38°C (101°F)
21. the game of Tug-of-war was an Olympic sport from 1900-1920
22. the algae found in the world's oceans produces nearly 50% of the world's oxygen
23. raindrops are not tear shaped (they more resemble the shape of a tiny hamburger bun)
24. polar bears are strictly carnivores
25. jellyfish have been on Earth for over 650 million years
26. only pregnant females polar bears hibernate
27. some dinosaurs had tails over 13m (45 feet) long
28. sharks have been on Earth for over 400 million years
29. 2/3 of the world's eggplants are grown in the US New Jersey
30. 20% of China's plants are used in medicine
31. the softest known mineral is talc
32. the primary reason for growing rice in flooded paddies is to drown the weeds surrounding the young seedlings (rice can grow in well drained areas)
33. onions are part of the lily family
34. the average mature oak tree sheds over 700,000 leaves in Autumn
35. it takes 5 years for an oyster to produce a medium sized pearl
36. the Pacific Ocean is the world's largest
37. every living thing on the Earth contains carbon
38. 8.5 million tons of water evaporates from the Dead Sea every day
39. 80% of the world's rose species come from Asia
40. chalk is made from tiny plankton fossils
41. there are over 225,000 trees in New York's Central Park
42. all hurricanes form over the sea and can last up to 10 days
43. acorns are poisonous to humans (if eaten it can cause damage to your kidneys)
44. rainbows can only be seen in the morning or late afternoon (the sun needs to be less than 40° above the horizon)
45. there are exactly 1,048,576 bytes in 1 megabyte
46. natural gas has no smell (the odor is artificially added so that people are able to identify leaks)
47. it takes 1,100 watts to power a toaster
48. the world's first paved streets were laid in Rome in 170 B.C.
49. the Moon weighs 81 billion tons
50. more than 1,000,000 Earths could fit inside the Sun

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