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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.
An uncoupler or uncoupling agent is a molecule that disrupts oxidative phosphorylation in prokaryotes and mitochondria or photophosphorylation in chloroplasts and cyanobacteria by dissociating the reactions of ATP synthesis from the electron transport chain.
Gibbs–Donnan effect (biology) (physics) Gibbs–Thomson effect (petrology) (thermodynamics) Glass house effect (culture) (surveillance) Glasser effect (physics) Goos–Hänchen effect (optical phenomena) Great Salt Lake effect (natural history of Utah) Green-beard effect (evolution) (evolutionary biology) (game theory) (selection)
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UConn had a last look at the basket following a timeout with 5.9 seconds remaining. But Hassan Diarra's go-ahead 3-point attempt clanged off the rim just before the final buzzer sounded.
The 'recent view of the Mpemba effect' was put in as balance as recent papers still remain undecided over the reason for the Mpemba effect, at least there is no consensus in the recent scientific literature; the reasons still being given are in the 'Causes' section of the article.
Doctors explain which blood type is more susceptible to norovirus, also known as the 24-hour flu and stomach bug. Plus, how one gene mutation helps protect from it.