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Giant trees have no trouble pumping water to top branches: new research

2026269 points124 comments Science & Space details

The world’s tallest tropical trees have no trouble pumping water to their topmost branches, new research reveals. Conventional scientific theory suggests that as trees grow, it becomes harder to transport water from roots to leaves

Beetroot juice lowers blood pressure by changing oral microbiome: study

2025215 points159 comments Science & Space details

The blood pressure lowering effect of nitrate-rich beetroot juice in older people may be due to specific changes in their oral microbiome, according to the largest study of its kind. Researchers at the University of