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  2. Crossword abbreviations - Wikipedia

    en.wikipedia.org/wiki/Crossword_abbreviations

    Cryptic crosswords often use abbreviations to clue individual letters or short fragments of the overall solution. These include: Any conventional abbreviations found in a standard dictionary, such as:

  3. Millennium Prize Problems - Wikipedia

    en.wikipedia.org/wiki/Millennium_Prize_Problems

    The real part of every nontrivial zero of the Riemann zeta function is 1/2. The Riemann hypothesis is that all nontrivial zeros of the analytical continuation of the Riemann zeta function have a real part of ⁠ 1 / 2 ⁠. A proof or disproof of this would have far-reaching implications in number theory, especially for the distribution of prime ...

  4. D-Day Daily Telegraph crossword security alarm - Wikipedia

    en.wikipedia.org/wiki/D-Day_Daily_Telegraph...

    On 18 August 1942, a day before the Dieppe raid, 'Dieppe' appeared as an answer in The Daily Telegraph crossword (set on 17 August 1942) (clued "French port"), causing a security alarm. The War Office suspected that the crossword had been used to pass intelligence to the enemy and called upon Lord Tweedsmuir , then a senior intelligence officer ...

  5. Million years ago - Wikipedia

    en.wikipedia.org/wiki/Million_years_ago

    The "ago" is implied, so that any such year number "X Ma" between 66 and 145 is "Cretaceous", for good reason. But the counter argument is that having myr for a duration and Mya for an age mixes unit systems, and tempts capitalization errors: "million" need not be capitalized, but "mega" must be; "ma" would technically imply a milliyear (a ...

  6. Crossword - Wikipedia

    en.wikipedia.org/wiki/Crossword

    An American-style 15×15 crossword grid layout. A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues. Each white square is typically filled with one ...

  7. Numeral prefix - Wikipedia

    en.wikipedia.org/wiki/Numeral_prefix

    septuagenarian, octogenarian (a person 70–79 years old, 80–89 years old) centipede , millipede (subgroups of arthropods with around 100 feet, or around 1 000 feet) In many European languages there are two principal systems, taken from Latin and Greek , each with several subsystems; in addition, Sanskrit occupies a marginal position.

  8. Hypha - Wikipedia

    en.wikipedia.org/wiki/Hypha

    A hypha (from Ancient Greek ὑφή (huphḗ) 'web'; pl.: hyphae) is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. [1] In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium .

  9. Evolution of fungi - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_fungi

    Approximately 66 million years ago, immediately after the Cretaceous-Tertiary (K-T) extinction, there was a dramatic increase in evidence of fungi. Fungi appear to have had the chance to flourish due to the extinction of most plant and animal species, and the resultant fungal bloom has been described as like "a massive compost heap". [38]