Iron weighs more after it rusts.
68
Aluminum used to be more valuable than gold!
84
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71