Plants constantly juggle oxygen inside their cells, but scientists have now discovered a surprising twist in how that balance works. Researchers at the University of Helsinki found that ...
Scientists report chemical evidence that fragments of hemoglobin, the molecule responsible for carrying oxygen in blood, may still exist inside certain dinosaur fossils. Using a specialized ...
For decades, school textbooks have explained that oxygen on Earth is mainly produced through photosynthesis, a process that depends on sunlight. Plant.