Shining a light on the secret life of carbon dioxide in cells

Feb 24, 2026 - 01:02
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Shining a light on the secret life of carbon dioxide in cells
Carbon dioxide (CO₂) connects us to the natural world: What we breathe out becomes fuel for forests. But inside our own bodies, CO₂ has a secret life. It sparks chemical reactions, shapes metabolism, and may even act as a signaling molecule—and a new tool is finally letting researchers watch it glow in action.

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