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Director / Editor: Victor Teboul, Ph.D.
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Animals on ice: how conservationists use freezers to ‘biobank’ wildlife

By James Edward Brereton, PhD student, Nottingham Trent University
What’s lurking in your freezer: a lasagne or deep-frozen pizza? Conservationists rely on freezers too – but they run much cooler than your model, with the thermostat set to a frosty -196°C, the temperature of liquid nitrogen. You won’t find any burgers in there.

Conservationists use these freezers, known as “biobanks”, to store animal cells including oocytes (egg cells), sperm and somatic cells (for example, skin cells). In the future, lost genetic diversity could be safeguarded in this way. This could be vital for the preservation of endangered species – and species that are not yet…The Conversation


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