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How ocean chemistry helped life keep breathing
科学与环境

How ocean chemistry helped life keep breathing

Scientists have helped solve a longstanding mystery about how Earth remained habitable after oxygen first accumulated in its atmosphere more than 2 billion years ago, providing evidence that ancient ocean chemistry sustained life-friendly conditions.

Phys.org - latest science and technology news stories ·

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科学与环境

Resetting the body clock could help the brain recover after stroke

Strengthening the body’s natural daily rhythms helped mice recover after stroke by improving the brain’s waste-clearing system and reducing lingering inflammation. The approach worked even when treatment began three days after the stroke, suggesting circadian-based therapies coul

All Top News -- ScienceDaily ·

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科学与环境

Stem cells reverse stroke damage and restore movement in mice

Stem cell transplants helped regenerate stroke-damaged brain tissue in mice, producing new neurons and restoring lost motor function. The treatment also improved blood vessels, inflammation, and the blood-brain barrier, raising hopes that a similar approach could eventually help

All Top News -- ScienceDaily ·