Nature & Animals Marine Life A sperm whale's hunting dive can plunge two kilometers into the dark 65 sec read
Culture & Arts Literature Agatha Christie, the best-selling novelist, leaves a record legacy 45 sec read
Nature & Animals Reptiles & Amphibians Argentinosaurus may be the heaviest land animal ever to walk the Earth 55 sec read
Geography Landmarks & Wonders The Burj Khalifa, the world's tallest building, opens in Dubai 45 sec read
Sports Football (Soccer) The biggest crowd ever at a football match packed the Maracana in 1950 80 sec read
Culture & Arts Art The Mona Lisa became the world's most famous painting after it was stolen in 1911 75 sec read
Earth & Climate Geology Mount Everest is not the tallest mountain on Earth — Mauna Kea is 70 sec read
Human Body & Mind Medicine & Disease The first documented human blood transfusion was performed 45 sec read
Technology The Internet The @ symbol was a near-forgotten character rescued by the first email 65 sec read
Religion & Beliefs Sacred Texts The Bible is the most translated and most printed book in history 40 sec read
Culture & Arts Performing Arts Agatha Christie's "The Mousetrap" is the longest-running play ever 40 sec read
Food & Drink Cuisine The world's hottest pepper scores 2.69 million on the Scoville scale 45 sec read
Culture & Arts Music The oldest complete song we can still play is carved on a Greek tombstone 45 sec read
