Balsa wood is classified as a hard wood!
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
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Sound travels about 4 times faster in water than in air.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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According to studies, men change their minds two to three times more often than women.
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