Alexander von Humboldt

Introduction Copper complexes attract significant interest because of their various applications as catalysts in organic transformations such as C−C/X bond formation and C−H bond activation reactions, and also for their involvement in biological oxidation and oxygenation processes.1, 2 These copper‐mediated reactions generally exploit oxidation state changes of the metal ion,…

Dr. Guillaume Garivet Department of Chemical Biology, Max-Planck-Institute of Molecular Physiology, Otto-Hahn-Strasse 11, 44227 Dortmund, Germany Faculty of Chemistry and Chemical Biology, TU Dortmund, Otto-Hahn-Strasse 6, 44227 Dortmund, Germany joint first authorsSearch for more papers by this author Dr. Daniel J. Foley Department of Chemical Biology, Max-Planck-Institute of Molecular Physiology,…

Maurice Hilleman Created the vaccines for measles, mumps, hepatitis A, hepatitis B, chickenpox, meningitis, pneumonia, and Haemophilus influenza and like three dozen other things. Clara Barton She founded the American Red Cross in 1881 and was its presiden…

—By Dr Mario A. Di Gregorio Few people were better known in the nineteenth century than the German zoologist and Darwinist Ernst Haeckel (1834-1919), yet nowadays he is known to many simply as the man who coined the phrase ontogeny recapitulates phylogey – t…

2020 LAD Laboratory Astrophysics Prize Goes to James Truran Press Release From: University of GeorgiaPosted: Friday, January 17, 2020 The Laboratory Astrophysics Division (LAD) of the American Astronomical Society (AAS) is awarding its 2020 Laboratory As…

Colombian police have said they foiled an assassination attempt on Rodrigo Londono, better known as Timochenko, the former top Marxist FARC rebel leader. General Oscar Atehortua, director of the Latin American country's national police, said Sunday officers …

This beautiful building in Taxco houses a museum filled with viceregal objects. Although the collection is not very large, nor does it represent all the years that the Viceroyalty of New Spain lasted in Mexico (1521-1821), there is at least one piece that mak…