A light micrograph of a mouse embryo

Mice with human cells developed using ‘game-changing’ technique

Human cells injected into amniotic fluid find their way into fetal mouse organs

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Donald Trump stands at a podium speaking into a microphone, holding up some paperwork.

How Trump 2.0 is reshaping science

Since US President Donald Trump took office in January 2025, his team has made major changes to the federal government that have disrupted research and research institutions in the United States and beyond.
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