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WHY DO OYSTERS MAKE PEARLS?

WHY IS AIR INVISIBLE?

WHY ARE MOST PEOPLE RIGHT -HANDED?

WHO REALLY INVENTED ? TELEVISION

WHY ARE WATER AND ELECTRICITY A DEADLY COMBINATION?

DO CHILDREN HAVE A BETTER SENSE OF SMELL THAN ADULTS?

COULD JUPITER BECOME A STAR?

DO OTHER PLANETS INFLUENCE EARTH’S TIDES?

DO YOU KNOW 86 PER CENT OF SPECIES REMAIN TO BE DISCOVERED?

DO BLACK HOLES COLLAPSE?

WHY DO HUMANS LIE?

HOW LONG DOES DNA LAST?