An international team of astronomers has discovered a massive cloud of gas and dust located in a little-known region of our ...

ARTIGO Self-condensation of n- (N-propyl)butanimine: NMR and mass spectral analyses and investigation by theoretical calculation Rozângela Magalhães Manfrini I; Flávia Rodrigues Teixeira I; Dorila ...

Peptides from skin secretions of amphibians are considered important components of their immune system and also play a relevant role in their defense mechanism against predators. Herein, by using mass ...

Maps of recent and past conditions High resolution maps and data, ranging from the most recent day, back to 1900 for rainfall and 1910 for temperature.