Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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Sony researchers have developed a refrigerator that only opens when you smile.
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Ants have tiny magnetic compasses in their antennae which help them navigate.
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By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
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There is a growing sport in Berlin and London called Chess Boxing. Players alternate between a round of chess and a round of boxing until one is declared winner either by checkmate, KO, or technical stoppage.
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Cats sleep for 70% of their lives.
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