Colossal utvecklar konstgjorda äggskal för att hjälpa till att återuppliva moafågeln

Colossal Biosciences meddelar att de har skapat ett konstgjort äggskal som skulle kunna bidra till att producera ägg i samma storlek som de som en gång lades av Nya Zeelands utdöda moafåglar. Oberoende experter varnar för att framsteget är långt ifrån tillräckligt för att möjliggöra en återkomst av de gigantiska fåglarna.

Företaget, som tidigare hävdat att de återupplivat en utdöd vargart genom genredigering, presenterade en gitterstruktur som stöder ett transparent silikonmembran. Detta membran sägs tillåta syregenomströmning i hastigheter som liknar ett naturligt kycklingäggskal utan behov av extra syretillförsel. Moafåglar blev över tre meter höga och vägde mer än 200 kilogram, och deras ägg nådde en längd på 24 centimeter och en bredd på 18 centimeter.

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