Science News Roundup: Webb telescope captures tantalizing evidence for mysterious 'dark stars'; Gene tech spares male chicks from cull by preventing them from hatching and more https://ift.tt/3iQElvG All the chicks are female at Yuval Cinnamon’s laboratory in central Israel, where new technology offers an answer to what he calls “the most devastating animal welfare issue worldwide - the culling and sorting of day-old male chicks”.

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