NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
A fire in Australia has been burning for more than 5,000 years!
91
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
There's a company in China that allows you to hire someone to stand in line for you for $3-$5 an hour.
14
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29