According to international definition fog occurs when visibility is 600 feet (200m) or less
According to international definition fog occurs when visibility is 600 feet (200m) or less
Smiling releases natural pain killing hormones endorphins and serotonin making us feel good
Astronomers suggest that approximately 10 billion earth-like planets may exist in our galaxy
Dry ice does not melt It sublimes which means it goes directly from solid form to gaseous form
Dry ice does not melt It sublimes which means it goes directly from solid form to gaseous form
Without any greenhouse effect Earth would be cold and lifeless with an average temp of 4ºF
Without health life is not life; it is only a state of langour and suffering - an image of death
The number system was invented by India Aryabhatta was the scientist who invented the digit zero
Leap day doesn t happen every 4 years On a span of 400 years there are only 97 leap days not 100
Sir Isaac Newton was only twenty three years old when he discovered the law of universal graviton
Gold is the only metal that doesn t rust even if it s buried in the ground for thousands of years
Tobacco smoke contains at least 4 000 chemicals including: ammonia cyanide arsenic and formaldehyde
The popcorn pops because each kernel has a small bit of water in it When it gets hot enough it pops
It s possible to permanently change a brown eyes to blue using a specific type of laser eye surgery
Any free-moving liquid will form itself into a sphere in outer space because of its surface tension