July 8, 2025

Activation of aldh1a2 may reactivate regeneration in mice. Credit: Wei Wang Lab at the National Institute of Biological Sciences, Beijing

Activating a silent gene revives tissue regeneration in mice

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New research reveals that restoring the activity of an ancient gene allows mice to regenerate damaged ear tissue – a finding that could pave the way for breakthroughs in regenerative medicine
MethaneSAT satellite. Illustration courtesy of the Environmental Defense Fund (EDF)

Jeff Bezos' climate change monitoring satellite shuts down – and becomes space junk

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MethaneSAT, the first environmental satellite operated by a civic organization, shuts down after 15 months of operation. Researchers: "The information collected has already changed the rules of the game in monitoring methane emissions"
Transferring medical information via chatbot. Illustration:

AI-based chatbots provide false health information up to 90% of the time

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First-of-its-kind study finds leading AI systems can be easily programmed to spread misinformation about health issues – including false references to scientific sources
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