A scan of the brain with areas highlighted in red

The brain fires up immune cells when sick people are nearby

When people viewed virtual avatars with coughs or rashes, their brains triggered an immune response.

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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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