For the first time, astronomers have found molecular oxygen — the same gas humans need to breathe — in a galaxy outside the Milky Way. Oxygen is the third most common element in the cosmos, after ...
Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 210, No. 1101 (Dec. 20, 1951), pp. 224-245 (22 pages) Energies of excitation of different electronic ...
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 ...
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