The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Selective Oral Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitor ZD1839 Is Generally Well-Tolerated and Has Activity in Non–Small-Cell Lung Cancer and Other Solid Tumors: Results of a Phase I ...

Resonance isn’t just a drawing trick — it’s a core principle that explains molecular stability, acidity, and reactivity. By delocalizing electrons across atoms, molecules can lower their energy and ...