One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Iron weighs more after it rusts.
68
German chemists made a replica of a trophy the size of one molecule.
68
Out of all the senses, smell is most closely linked to memory.
146
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16