News tagged with freezing

Pros and cons of egg banking

Freezing and storing your own eggs when you are not trying to get pregnant used to be rare. It was something young women with cancer might do, if treatment could badly damage their eggs or ability to ovulate.

Nov 03, 2016
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Freezing or solidification is a phase change in which a liquid turns into a solid when its temperature is lowered below its freezing point. The reverse process is melting.

All known liquids, except liquid helium, freeze when the temperature is lowered enough. Liquid helium remains liquid at atmospheric pressure even at absolute zero, and can be solidified only under pressure. For most substances, the melting and freezing points are the same temperature; however, certain substances possess differing solid–liquid transition temperatures. For example, agar displays a hysteresis in its melting and freezing temperatures. It melts at 85 °C (185 °F) and solidifies from 31 °C to 40 °C (89.6 °F to 104 °F).

This text uses material from Wikipedia, licensed under CC BY-SA

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