5 facts
This counter-intuitive phenomenon, known as the Mpemba effect, is still not fully understood, defying simple physics. Theories include differences in supercooling, evaporation rates, convection currents, and dissolved gas content affecting the freezing process.
This phenomenon, known as the Mpemba effect, is still not fully understood but has been observed in various experiments. Possible explanations include evaporation, convection, and supercooling effects, making it a persistent scientific puzzle.
Known as the Mpemba effect, this phenomenon has been observed for centuries, though its exact mechanism is still debated by scientists. Explanations range from evaporation to convection currents and dissolved gases, all contributing to the mystery.
This counterintuitive phenomenon, observed by Erasto Mpemba, suggests that under specific conditions, hot water can freeze before an identical volume of cold water. Scientists are still debating the exact mechanisms, with supercooling and convection being among the leading theories.
Certain frog species, like the wood frog, can survive having up to 65% of their body water freeze into ice. They produce a natural antifreeze (glucose) that protects their cells, allowing them to thaw out and hop away when spring arrives.