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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.
Nausea is the most common side effect of semaglutide, the weight loss and diabetes medication often sold under the brand names Ozempic and Wegovy. It is particularly common after starting the ...
The U.S. Preventive Services Task Force released a draft recommendation advising against using vitamin D to prevent falls and fractures in people over 60. Pharmacist Katy Dubinsky weighs in.
A review of your current conditions and prescriptions. Check-ins on your physical health, like your height, weight, and blood pressure. Check-ins on your brain health, including a cognitive assessment
Mozart effect (education psychology) (popular psychology) (psychological theories) (Wolfgang Amadeus Mozart) Mpemba effect (phase changes) (physical paradoxes) (thermodynamics) Mullins effect (rubber properties) Multiple-effect humidification (drinking water) (water supply) (water treatment) Munroe effect (explosive weapons) (explosives)
Scammers are using AI-powered voice-cloning tools to prey on people. But experts say there's a simple way to protect you and your family.