A cat's age in human years is read off a chart printed with no stated basis
The usual cat-years chart gives 15 human years for a cat's first year, 24 by its second birthday and 4 for each year aft...
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Readability formulas fitted to the same readers still disagree by about a grade and a half
Flesch-Kincaid, SMOG and other readability formulas give one text different grade levels because each counts a different...
Dropping the sex point from the AF stroke score moved no combination between bands
In 2024 the European Society of Cardiology replaced the CHA2DS2-VASc stroke score for atrial fibrillation with CHA2DS2-V...
The 3,500 commonest Chinese characters mostly have an exact Mandarin homophone
By Unicode's Unihan 17.0 readings, 89% of the 3,500 first-level characters on mainland China's 2013 standard list share...
Rare blood-group variants allow most of the child blood types a chart forbids
The textbook ABO rule forbids at least one child blood type for every pairing of parent types except A with B. Rare inhe...
Blood type explains almost none of the variation in large Japanese and US surveys
The belief that ABO blood type shapes temperament and compatibility has been popular in Japan since a 1971 book. In surv...
A baby's growth percentile depends on the chart behind it
A growth percentile ranks one measurement against a reference group of children, and the WHO 2006 standard, the US CDC 2...
Generation charts disagree on a third of post-war birth years
Pew, McCrindle, the US Census Bureau and Indonesia's statistics office give different generation labels, or none, for 27...
Division codes from China's Ministry of Civil Affairs survive renames and change with a place's type
China's Ministry of Civil Affairs gives province-, prefecture- and county-level units six-digit codes, and all but one o...
Singapore's Category A and B COE premiums nearly converged in 2026
Singapore's Category A and B COE premiums finished a median S$2,750 apart over the bidding exercises from January to Sep...
Malaysia's open postcode list names 2,930 codes
MCMC's open postcode list names 2,930 Malaysian postcodes. How the first two digits mark the state, the one code outside...
Taiwan's 22 counties and cities, read from the household register
Taiwan's 22 counties and cities (台灣22縣市) on the household register for August 2026: population, area and density for...
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