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The names Honda and Toyota derive from Japanese words for different kinds of rice field.

The longest palindrome in the Oxford English Dictionary is ‘tattarrattat’. James Joyce used it in Ulysses: ‘I knew his tattarrattat at the door.’

Each of us is surrounded by bacteria that are released from our bodies; everyone’s personal microbial cloud is unique.

An animal the size of an elephant could evolve to an animal the size of a sheep in 100,000 generations, but for an animal the size of a sheep to evolve to the size of an elephant would take 1.6 million generations.

The ancient Greeks had no word for religion.

See other: Quite Interesting Fact

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The Unseen Danger Fallacy


‘Commonly found in the more fevered corners of political ideology are the various fallacies of danger – those forms of argument that seek to stave off decision by conjuring up all manner of horrors that precipitate change might lead to (or, conversely, the disasters that delay will engender). The 19th-century political thinker and reformer Jeremy Bentham called this “the hobgoblin argument” since it warns of mythical horrors lurking unseen by all but the one kind enough to point them out to us.’

– “Can you spot a rhetorical fallacy?” The Guardian, 13 September 2013

Pier [Noun.]


  • A raised platform built from the shore out over water, supported on piles; used to secure, or provide access to shipping; a jetty.
  • A similar structure, especially at a seaside resort, used to provide entertainment.

Which is wrong. Say rapier, pier,
Tier (one who ties), but tier.
– Gerard Nolst Trenité, The Chaos

The Limits of Debate Fallacy


‘An increasingly common variant of such a tactic takes the form of a self-designated umpire who joins in with online disputes by asserting their authority to police the limits of debate. They declare that if they (a typical, reasonable and fair-minded person) find something hard to understand then it must be wrong or mere sophistry; that if they find something too extreme it must be completely insane; that if they feel someone has gone too far then they must have.’

– “Can you spot a rhetorical fallacy?” The Guardian, 13 September 2013

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In 1995, the number of TV programmes in Britain watched by over 15 million people was 225. By 2004, this had fallen to six.

Biologists cannot agree on definitions for the words ‘species’, ‘organism’ or ‘life’.

Beijing, Seoul and Tokyo all mean ‘capital’, in their respective languages.

Dildos are illegal in Texas.

The amount of water on Earth is constant, and continually recycled over time: some of the water you drink, will have passed through a dinosaur.

See other: Quite Interesting Facts

Ebbinghaus and Forgetting


When learning foreign language vocabulary, repeated practice is essential for success; as words get established in the long-term memory, learners can move on and focus on new skills.

Two effects are at play in this process: the spacing effect, the finding that short practices spaced out over time is better for learning than cramming; and its related finding, known as the lag effect, which states that learners improve if they gradually increase the spacing between practices.[1]

These ideas go back to 1885, when German psychologist Hermann Ebbinghaus pioneered the concept of the forgetting curve. He tested his ability to remember a string of words over different periods of time and found a consistent pattern to the decline of his ability to recall these words over time. Immediately after the learning experience, his recall was 100 percent, but memory dropped steeply the first few days. Further, he found that the memory loss was exponential, meaning it increased by the square of the previous number until finally flattening out at around 30 days post-learning.

According to Ebbinghaus’ findings, the way to counter the forgetting curve (i.e. learners are more successful) when they plan short practice sessions and gradually increase the amount of time between each session.


[1] ‘Repeating list items leads to better recall when the repetitions are separated by several unique item than when they are presented successively; the spacing effect refers to improved recall for spaced versus successive repetition (lag > 0 vs. lag = 0); the lag effect refers to improved recall for long lags versus short lags.’

– Kahana. M.J., Howard. M.W. (2005) Spacing and lag effects in free recall of pure lists Psychonomic Bulletin & Review, 12 (1), p. 159-164