dubtrivia

May 9, 2026 Trivia

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The 5 dubtrivia questions from May 9, 2026, with answers and explanations.

  1. K12

    1. Which bacterium, discovered in the 1990s living inside nuclear reactor cooling water, is so resistant to radiation that it earned the nickname 'Conan the Bacterium' from scientists?

    Deinococcus radiodurans

    Did you know?

    Deinococcus radiodurans can withstand radiation doses thousands of times higher than would kill a human, earning it a Guinness World Record as the world's most radiation-resistant organism and the colorful nickname from researchers at the time.

  2. Around the World

    2. Which country introduced the siesta as a formal part of its labor culture, and was also the last major European country to officially abolish it in government offices, doing so in 2005?

    Spain

    Did you know?

    Spain officially ended the midday siesta for government workers in 2005 under Prime Minister Zapatero as part of an effort to align Spanish working hours with the rest of Europe and boost productivity.

  3. Arts & Sports

    3. Which famous opera singer is said to have shattered crystal glasses with his voice alone during live performances, a feat scientists later verified is physically possible at the right resonant frequency?

    Enrico Caruso

    Did you know?

    Enrico Caruso, the legendary Italian tenor of the early 20th century, was famously claimed to shatter glasses with his voice, and modern experiments have confirmed that a trained singer hitting a glass's resonant frequency at sufficient volume can indeed cause it to break.

  4. K12

    4. Which medieval Islamic scholar wrote the 'Canon of Medicine,' a medical encyclopedia so comprehensive it was used as the standard textbook in European universities for over 600 years?

    Ibn Sina

    Did you know?

    Ibn Sina, known in the West as Avicenna, completed the Canon of Medicine around 1025 AD. It systematically covered anatomy, diseases, pharmacology, and surgery and remained a core medical text in Europe well into the 17th century.

  5. Around the World

    5. Which tiny European microstate, surrounded entirely by Italy, is the world's oldest surviving republic and claims to have been founded by a Christian stonemason in 301 AD?

    San Marino

    Did you know?

    San Marino claims to be the world's oldest constitutional republic, founded in 301 AD by Saint Marinus, a stonemason from the island of Rab. Its constitution dates to 1600, making it also one of the world's oldest written constitutions.