One 75-watt bulb gives more light than three 25-watt bulbs.
57
According to studies, men change their minds two to three times more often than women.
72
Scientists aren't sure what color dinosaurs were.
312
Out of all the senses, smell is most closely linked to memory.
146
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Your brain is 80% water.
525
Most dust particles in your house are made from dead skin!
67