Knot theory indicates that there are 85 possible ways to tie a necktie.
A set of 6 standard 2x4 lego bricks can be assembled in 102 million different combinations.
The manmade molecules of plastics are among the largest in the world. A single molecule of synthetic rubber contains 75,000 atoms of carbon and 120,000 atoms of hydrogen.
Modern construction methods could build over 35 Empire State Buildings out of the same quantity of materials required to build the Great Pyramid using the rock piling construction technology employed by the ancient Egyptians.
The continental plates that make up the Earth's crust typically move only a few inches a year - about the speed fingernails grow.
The Greeks played with yo-yos carved out of stone 3000 years ago.
The average American is likely to change jobs 6-7 times in his/her lifetime.
It takes half a ton of welds to build a 68.5 ton M1 Abrams tank.
The battle of Agincourt in 1415, which is widely viewed to as a turning point in history because long bows in the hands of commoners defeated vastly superior numbers of armored knights, also marked a less noticed portent of the future - during the battle a single English soldier fell victim to the fire of a primitive gun.
The Chinese ideogram for 'trouble' symbolizes two women living under one roof.
German has a word for the peace offerings brought to your mate when you've committed some conceived slight - "drachenfutter" or dragon's food.
In Disney's "Fantasia", the Sorcerer's name is "Yensid" - Disney spelled backwards.
It's estimated that it cost the American government $10 for each mosquito killed in the campaign to eliminate yellow fever and maleria in the canal zone prior to the building of the Panama Canal. It's estimated that eliminating disease bearing mosquitos and other sanitation measures saved over 70,000 lives during the building of the canal.
The longest animal on earth is the Lion Mane Jellyfish, which fully stretched can be longer than a 100 foot Blue Whale.