More Trivia for you. However, I can't guarantee the accuracy of all the points. :-)
Soldiers do not march in step when going across bridges because they could set up a vibration which could be sufficient to knock the bridge down.
For every extra kilogram carried on a space flight, 530 kg of excess fuel are needed at lift-off.
Due to earth's gravity it is impossible for mountains to be higher than 15,000 meters.
Airports at higher altitudes require a longer airstrip due to lower air density.
Caffeine increases the power of aspirin and other painkillers. That is why it is found in some medicines.
The military salute is a motion that evolved from medieval times, when knights in armor raised their visors to reveal their identity.
If you get into the bottom of a well or a tall chimney and look up, you can see stars, even in the middle of the day.
When a person dies, hearing is the last sense to go. The first sense lost is sight.
Avocados have the highest calories of any fruit at 167 calories per hundred grams.
In ancient times, strangers shook hands to show that they were unarmed.
The tooth is the only part of the human body that cannot heal itself.
Strawberries are the only fruits whose seeds grow on the outside.
The moon moves about two inches away from the Earth each year.
The Earth gets 100 tons heavier every day due to falling space dust.
Intelligent people have more zinc and copper in their hair.
Everything weighs one percent less at the equator.
The University of Alaska spans four time zones.