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The Mpemba effect is the name given to the observation that a liquid (typically water) that is initially hot can freeze faster than the same liquid which begins cold, under otherwise similar conditions. There is disagreement about its theoretical basis and the parameters required to produce the effect.
Erasto Bartholomeo Mpemba [1] (1950–2023) [note 1] was a Tanzanian game warden who, as a schoolboy, discovered the eponymously named Mpemba effect, a paradoxical phenomenon in which hot water freezes faster than cold water under certain conditions; this effect had been observed previously by Aristotle, Francis Bacon, and René Descartes.
The real Mpemba effect seems to be the complete abandonment of the scientific method by amateurs and scientists alike. Although there seems to be considerable anecdotal evidence for the effect there are no sources giving anything that could remotely be called a scientific description of the claimed effect.
Instead, the Department of Health and Human Services instructed hospitals to funnel their information to the government via TeleTracking, a small Tennessee firm started by a real estate entrepreneur who has frequently donated to the Republican Party. For a while, past data disappeared from the CDC’s website entirely, and although it ...
The state’s department of agriculture oversees restaurant inspections in places that do not have their own local health department. State College is one of the municipalities that does its own ...
The effect of loneliness on health drove the WHO last week to announce its plans to launch a commission with a diverse set of health leaders to combat social isolation.
Inspectors General of the U.S. Department of Health and Human Services [1] Inspectors General Senate confirmation Sworn in Departure Thomas D. Morris: February 19, 1977 Richard B. Lowe III (acting) N/A September 1, 1979 Brian B. Mitchell (acting) N/A: January 1, 1981: Richard P. Kusserow: June 1, 1981 Brian B. Mitchell (acting) N/A: July 1 ...
Meanwhile, health care providers say the legacy of unwinding may not fully come into focus for years. “We have huge problems with chronic illness in adults that are costing the system a lot of ...