Edition No. 97 · Tuesday, October 6, 2026

πŸ”¬ Science

Breakthroughs, discoveries, and the innovations shaping our world.

How Tropical Trees Evolved to Breathe at Night to Beat Drought

Scientists have traced how a group of tropical trees evolved to keep their pores shut by day and take in carbon dioxide by night β€” the water-saving trick behind a leaf that puzzled Alexander von Humboldt more than two centuries ago.